Bretschneider Emil Vasilievich

Emil Vasilievich Bretschneider

1833 - 1901

1 Works in Collection

Biography

Emil Vasilievich Bretschneider (Alexander Hermann Emil Bretschneider; Эмилий Васильевич Бретшнейдер; Bankaushof in Courland, 4 July [22 June O.S.] 1833 – St Petersburg, 12 May [29 April O.S.] 1901) was a Baltic German physician in Russian diplomatic service whose long residence in China produced one of the most unusual scholarly careers of the nineteenth century. Botanist, sinologist, historical geographer, bibliographer and cartographer, he developed no single disciplinary identity comparable to that of a university professor. His intellectual importance arose instead from the sustained conjunction of several forms of evidence that were still rarely combined: Chinese books read in the original, European botanical and geographical literature, living plants and herbarium specimens, maps, travellers' narratives, missionary reports and personal correspondence with contemporary scientists. Between the early 1870s and the end of the century he transformed this heterogeneous archive into a remarkable sequence of publications, culminating in Botanicon Sinicum, Mediaeval Researches from Eastern Asiatic Sources and the two-volume History of European Botanical Discoveries in China. Their complicated editorial histories — serial publication in missionary and learned-society journals, separately issued offprints, Shanghai printing, London distribution and St Petersburg production — reproduce materially the transnational scholarly world in which Bretschneider worked.


He was born at Bankaushof, now Benkavas muiža in present-day Latvia, into the educated Baltic German society of the Russian Empire. Contemporary Russian dating gives his birth as 22 June 1833 Old Style, corresponding to 4 July in the Gregorian calendar. His father was Wilhelm Bretschneider and his mother Annette Köhler. After attending the government Gymnasium at Mitau from 1849 to 1852, he entered the Imperial University of Dorpat in 1853, first studying physics and then medicine, receiving his medical doctorate in 1858. Further study at Berlin, Vienna and Paris between 1859 and 1861 exposed him to the highly developed medical and natural-scientific culture of western Europe before he entered Russian diplomatic service. Medicine consequently supplied both his formal profession and the institutional means through which the rest of his scholarship became possible.


In 1862 Bretschneider was appointed physician to the Russian legation at Tehran, where he remained until 1865–66. The posting already placed him in a category characteristic of nineteenth-century imperial diplomacy: the embassy physician whose scientific education and mobility encouraged interests extending beyond medicine into geography, language and natural history. His decisive appointment came in 1866, when he became physician to the Russian legation at Peking, a position he retained until 1883, apart from periods of leave. Unlike an explorer passing through China during a single expedition, Bretschneider acquired the advantage of prolonged residence. He could return repeatedly to the same landscapes, libraries and scholarly questions, cultivate correspondents and compare observations made over many years. The resulting books possess a cumulative character that would have been impossible for a traveller dependent upon the notes of one journey.


His arrival in Peking coincided with a period of accelerating European interest in the history and geography of Inner Asia. The publication of Henry Yule's Cathay and the Way Thither sharpened Bretschneider's awareness that European historians possessed rich Arabic, Persian and western travel material but still made limited direct use of Chinese historical sources. Russian scholarship offered him an unusually favourable environment in which to address that imbalance. The Russian Ecclesiastical Mission at Peking possessed a long sinological tradition, and Bretschneider was closely connected with figures such as the archimandrite Palladius Kafarov, whose command of Chinese historical literature demonstrated what could be recovered from native sources. Bretschneider's sinology was therefore learned in practice, through sustained reading undertaken for particular historical and scientific problems rather than through a conventional academic degree in Oriental languages.


The earliest phase of his authorship already shows the two principal directions his later career would follow: Chinese historical geography and the history of plants. Short works on Fu-Sang and on the Chinese knowledge of western regions appeared around 1870–71, and in 1871 Trübner in London issued On the Knowledge Possessed by the Ancient Chinese of the Arabs and Arabian Colonies and Other Western Countries, Mentioned in Chinese Books. These investigations were exploratory in form but methodologically characteristic. Bretschneider extracted geographical notices from Chinese historical literature, compared Chinese transcriptions with names known from Arabic, Persian and European sources, and attempted to convert chronicle references into identifiable places and routes. The procedure would eventually generate the much larger Mediaeval Researches.


His first substantial botanical work had an equally revealing publication history. On the Study and Value of Chinese Botanical Works, with Notes on the History of Plants and Geographical Botany from Chinese Sources was written in Peking, where its preface was dated 17 December 1870, and first appeared in successive instalments of volume 3 of The Chinese Recorder and Missionary Journal during 1870–71. A separate issue was printed at Foochow by Rozario, Marcal & Co.; surviving copies are accordingly catalogued either 1870, from the dated preface, or 1871, from the completion and separate publication of the text. The distinction is not trivial: what later appears to be a compact monograph of fifty-one pages originated as periodical scholarship before being reconstituted as an independent book. The separate included eight leaves of Chinese botanical illustrations, reproduced from Wu Qijun's Zhiwu mingshi tukao, thus placing Chinese woodcut botanical representation physically beside Bretschneider's English-language analysis.


The work is virtually a manifesto for the scholarly programme that followed. Bretschneider argued that Chinese botanical literature could preserve evidence for the history, cultivation, introduction and geographical distribution of plants, but only if read critically. A Chinese plant name was not equivalent automatically to a modern Linnaean species. Names changed over time and region; several names could refer to one plant, and one name could be transferred among several species. Literary and pharmacological works might describe medicinal properties accurately enough to identify usage while remaining botanically ambiguous. The task therefore required comparison among texts of different dates, examination of habitat and morphology, attention to cultivation and trade, and, wherever possible, confrontation with living or preserved specimens. The Chinese text and botanical specimen functioned as independent witnesses whose agreement or disagreement had itself to be explained.


The illustrations in the Foochow publication are particularly significant from an editorial point of view. Bretschneider did not simply describe Chinese books to European readers: he reproduced part of their visual apparatus. Wu Qijun's nineteenth-century Zhiwu mingshi tukao had attempted to record hundreds of plants through names, descriptions and images; by transferring selected woodcuts into an English publication printed in China, Bretschneider made the indigenous visual tradition part of his scientific argument. The resulting book is therefore neither straightforward translation nor western botanical manual. Its page architecture records an encounter among Chinese nomenclature, Chinese illustration, English prose and Latin taxonomic terminology.


During the middle 1870s Bretschneider's geographical investigations developed through a closely related sequence of publications. Notes on Chinese Mediaeval Travellers to the West appeared in 1875, first through periodical publication and then as a separate volume printed in Shanghai by the American Presbyterian Mission Press and distributed in London by Trübner & Co. The book translated and examined Chinese accounts of journeys and embassies toward Central and Western Asia, including material concerning the Daoist Qiu Chuji, or Changchun, and other thirteenth-century travellers. The separate comprised about 130 pages and incorporated Chinese characters within the English text, a technical necessity because geographical identifications often depended upon the exact written forms of names rather than approximate romanization alone.


The following year was exceptionally productive. Archaeological and Historical Researches on Peking and Its Environs was printed at Shanghai by the American Presbyterian Mission Press in 1876, with London distribution through Trübner. Drawing on Chinese historical works as well as Marco Polo and later European accounts, Bretschneider reconstructed successive capitals, walls, palaces, canals, roads and sites in and around Peking. The study demonstrates how naturally historical geography developed from his sinological practice: old texts had to be read against the modern city and landscape just as botanical descriptions were tested against living vegetation.


In the same year he addressed the physical geography of northern China through the German-language Die Pekinger Ebene und das benachbarte Gebirgsland, published at Gotha by Justus Perthes as supplementary number 46 to Petermanns Geographische Mittheilungen. The publishing context is important. Perthes and Petermanns stood at the centre of nineteenth-century scientific cartography, giving Bretschneider's locally acquired observations access to the international geographical community through one of its principal European channels. Another 1876 study, Notices of the Mediaeval Geography and History of Central and Western Asia, Drawn from Chinese and Mongol Writings and Compared with the Observations of Western Authors in the Middle Ages, carried the documentary programme further. These publications were not miscellaneous side projects preceding the “real” work of 1888; they were its successive experimental stages.


Bretschneider meanwhile collected plants and seeds around Peking and northern China. His medical posting gave him prolonged access to an area whose flora remained incompletely represented in European herbaria and gardens. He sent specimens and propagating material into international botanical networks and corresponded with botanists working on Chinese plants abroad. The significance of this activity was methodological as much as taxonomic. A plant whose Chinese name he encountered in a historical text could sometimes be examined alive or compared with herbarium material; conversely, a collected species could send him back to the literature in search of earlier names and recorded uses. His botanical scholarship therefore developed in both directions, from text to plant and from plant to text.

Contemporary botanical reference literature records specimens collected by him in several major herbaria.

This combination of bibliography and observation explains his next major publication, Early European Researches into the Flora of China. Its first bibliographical state belongs to the North-China Branch of the Royal Asiatic Society, whose journal for 1880 carried the study; it was then separately printed in Shanghai by the American Presbyterian Mission Press in 1881. Modern catalogues consequently alternate between 1880 and 1881 depending upon whether they describe the journal contribution or the separate issue. The independent book runs to approximately 194 pages.


Here Bretschneider reversed the direction of inquiry pursued in On the Study and Value of Chinese Botanical Works. Instead of asking what Chinese texts could contribute to botanical history, he reconstructed what Europeans had learned about Chinese plants before the modern age of professional botanical exploration. Missionaries, merchants, physicians, travellers and naturalists were arranged chronologically, and their descriptions were checked against later botanical knowledge. The work therefore became at once a history of exploration, a bibliography of early European writing on Chinese flora and an exercise in textual criticism. European authors could be as unreliable as Chinese sources; Bretschneider was often severe when later writers simply repeated inherited identifications without returning to specimens or original descriptions.


His most characteristic botanical publication was not a single book issued at one moment but a three-part project spread across thirteen years: Botanicon Sinicum: Notes on Chinese Botany from Native and Western Sources. The collective title can easily disguise this chronology. Part I appeared in volume 16 of the Journal of the North-China Branch of the Royal Asiatic Society, nominally for 1881, and circulated separately from London through Trübner in 1882. It supplied an extensive survey of Chinese botanical literature, discussing native bibliographical sources, botanical terminology and previous European attempts to identify Chinese plants. The separate printing retained the pagination of the journal contribution, another reminder that what appears bibliographically as a book could originate materially in learned-society publication.


Part II, The Botany of the Chinese Classics, followed in 1892, printed at Shanghai by Kelly & Walsh. It was a much larger work of 468 pages and included annotations, appendix and index by the German missionary-scholar Ernst Faber. The collaboration matters. Bretschneider supplied the principal research, but the printed volume incorporated Faber's editorial and corrective intervention; it should not be described as though every identification and annotation represented Bretschneider alone. It subsequently entered the journal series as volume 25 of the China Branch's publications, which explains the 1892–93 variation found in bibliographical references.


Part III, Botanical Investigations into the Materia Medica of the Ancient Chinese, was separately published at Shanghai, Hong Kong, Yokohama and Singapore by Kelly & Walsh in 1895. Extending to more than six hundred pages, it concentrated on the ancient Chinese pharmacological tradition and represents the most intensive phase of Bretschneider's attempt to connect old plant names with modern botanical entities. It later formed volume 29 of the society's journal series. Thus the apparently unified Botanicon Sinicum exists bibliographically as a composite history of journals and separate issues: London 1882 for the first part, Shanghai 1892 for the second, and Kelly & Walsh's East Asian network in 1895 for the third. Any description of a collected set should therefore establish the title-pages and physical form of its constituent parts rather than assume that “1882–95” denotes an ordinary three-volume edition issued by one publisher.


The intellectual progression among the three parts is equally systematic. Part I constructs the bibliographical map of Chinese botany; Part II tests plant identifications against classical Chinese literature; Part III turns to materia medica, where botanical identity is complicated further by pharmacological usage, substitutions and the longevity of traditional names. The sequence transforms bibliography into historical botany. Bretschneider's recurrent questions — when does a name first occur, what text transmitted it, what region is described, what later author copied the statement, which modern species might correspond — are fundamentally questions about textual genealogy even when their ultimate object is a plant.


By the time the later Botanicon volumes appeared, Bretschneider had left China. His service at Peking ended in 1883; he retired officially in February 1884 with the rank of State Councillor and settled at St Petersburg. Retirement altered the geography of his work but not its foundations. The notebooks, transcriptions, correspondence and observations accumulated in China now became the raw material for increasingly synthetic books. Recognition followed: in 1886 he was elected a foreign corresponding member of the Académie des Inscriptions et Belles-Lettres, not, as sometimes stated, of the Académie française.


The first major synthesis of the St Petersburg period was Mediaeval Researches from Eastern Asiatic Sources: Fragments towards the Knowledge of the Geography and History of Central and Western Asia from the 13th to the 17th Century, issued in two volumes at London in 1888 within Trübner's Oriental publishing sphere. The word Fragments accurately describes the architecture of the book. Bretschneider did not attempt a continuous political history of Central Asia. He assembled Chinese passages concerning Mongol campaigns, diplomatic missions, Central Asian kingdoms, commercial routes and foreign peoples, translated or summarized them, and then attempted to identify the names and routes through comparison with Persian, Arabic, Mongolian and European sources.


Among the works treated were accounts connected with Changchun, Yelü Chucai, Yuan and Ming geographical literature and Chinese descriptions of western regions from the Mongol age onward. The technical problem was formidable. Chinese transcription converts foreign names into characters whose pronunciation changes historically; the same Central Asian place might therefore survive under apparently different forms in Chinese, Persian and European sources. Bretschneider combined phonetic resemblance with chronology and geography, often plotting routes to test whether an identification was physically plausible. Later Central Asian scholarship has corrected numerous details, but the book represented a decisive expansion of the source base available to European historians. Chinese historical literature was no longer merely supplementary evidence for Marco Polo or Persian chroniclers; it could furnish an independent reconstruction of Eurasian geography.


The physical form of Mediaeval Researches also marks a change in Bretschneider's authorial career. Earlier work often originated in missionary journals or East Asian learned societies and only subsequently circulated as separates. The 1888 volumes were conceived for the established European Orientalist monograph market and published through London. A Russian diplomatic physician who had undertaken his research in Peking could therefore address British, French, German and American scholars through the commercial distribution networks of a specialist Oriental publisher. The publishing history mirrors the intellectual method: knowledge produced between languages and empires entered circulation through an equally international book trade.


Bretschneider did not abandon cartography after leaving China. On the contrary, mapping increasingly became a means of consolidating his geographical and botanical scholarship. His Map of China and the Surrounding Regions was issued at St Petersburg in 1896, engraved and printed by A. Ilyin, and explicitly associated with the botanical history then in preparation. Supplementary mapping accompanied the 1898 publication, and a second thoroughly revised and enlarged edition followed in 1900. The Library of Congress copy of the latter records Bretschneider himself as publisher and Ilyin as engraver and printer. Cartography was thus not an ornamental supplement to the prose volumes but another authorial medium through which dispersed geographical information was reorganized.


His largest book, History of European Botanical Discoveries in China, appeared in London in 1898 in two continuously paginated volumes, extending to nearly 1,200 pages. The title-pages name Sampson Low, Marston & Co., but the volumes were printed at St Petersburg by the press of the Imperial Academy of Sciences. Few bibliographical facts capture Bretschneider's intellectual position better. The work was manufactured within the Russian scientific establishment yet published commercially for an Anglophone international readership.


The History represented almost twenty-five years of accumulated work and substantially superseded the narrower Early European Researches of 1880–81. Its subject was not merely the succession of plant discoveries. Bretschneider reconstructed the infrastructure through which European knowledge of Chinese flora had been made: missionaries who sent seeds and descriptions; physicians and merchants who collected specimens; botanical gardens that cultivated introductions; herbarium curators who identified collections; taxonomists who described species; diplomats and consuls who facilitated travel; professional collectors who explored regions newly opened to Europeans; books, articles and nursery catalogues through which names and specimens acquired public identities.


This mode of composition makes the two volumes unusually important bibliographically. Bretschneider repeatedly asks who first recorded a species, in what work, under which name and on the basis of whose specimen. Priority is therefore reconstructed through the movement of both objects and publications. A plant collected in China might pass to a herbarium in London or St Petersburg, be described years later from dried material, enter a nursery under another name and finally acquire a stable taxonomic identity only after comparison with further specimens. Bretschneider's history follows these transformations rather than treating botanical nomenclature as though correct names had existed from the beginning.


His access to living contemporaries strengthened the later sections. Bretschneider corresponded directly with botanists and plant collectors whose work he described and could therefore supplement printed sources with testimony that had not yet entered formal literature. A later botanical assessment rightly emphasized that his account of nineteenth-century botanical exploration often drew on information communicated personally by the collectors themselves. The History consequently occupies an intermediate position between bibliography and archive: much of its documentary value lies precisely in information that Bretschneider rescued before the networks in which it circulated disappeared.


The geographical range of the work extended beyond the political boundaries of the eighteen Chinese provinces. Bretschneider included Manchuria and adjacent territories, Mongolia, Eastern Turkestan and Tibet where their botanical exploration formed part of the history he was reconstructing. The accompanying maps likewise attempted to represent China within a broader regional frame. Contemporary geographical reviewers treated the book and its cartography together, describing the 1898 supplementary maps and the huge two-volume botanical history as components of one undertaking.

The evolution from On the Study and Value of Chinese Botanical Works to the History of European Botanical Discoveries reveals the full scale of Bretschneider's bibliographical ambition. The youthful Peking publication asked whether Chinese books could be made scientifically useful to European botany. The Botanicon Sinicum then organized and tested that indigenous textual inheritance. The final History turned outward and reconstructed how Europeans themselves had assembled knowledge of Chinese flora. Native and western traditions were thus subjected to analogous criticism. Neither possessed automatic authority; both had to be reconstructed through the history of texts, names, observations and specimens.


This symmetry also prevents Bretschneider from being understood simply as a European scientist imposing Linnaean taxonomy upon Chinese material. His terminology and standards were undeniably those of nineteenth-century European botany, and some identifications have naturally been superseded. Yet he consistently insisted that Chinese sources possessed their own chronology and informational value. An early materia medica might preserve evidence for cultivation or economic use even where the medical theory surrounding it could not be reconciled with contemporary western medicine. A classical geographical work could retain a route or foreign place-name despite later textual corruption. Bretschneider's task was not to accept indigenous authority uncritically but to determine exactly what kind of evidence a source could supply.


His pages make the difficulties of that process materially visible. Roman type for English prose, italics and Latin binomials, systems of Chinese romanization, Chinese characters, bibliographical abbreviations and cross-references coexist in dense scholarly layouts. Because no internationally standardized romanization yet existed, spellings vary between Bretschneider and later sinologists and occasionally between stages of his own career. The typography therefore preserves the history of nineteenth-century European attempts to render Chinese linguistic evidence in western print. Changes that a modern editor might normalize can have historical significance when reconstructing which phonetic system or authority Bretschneider was using at a particular date.


The same attention is required in describing surviving copies. Several major works first existed as journal articles, were then issued separately and were later incorporated into collective projects or reprints. On the Study and Value belongs both to The Chinese Recorder and to the Foochow separate; Early European Researches can be described as an 1880 Royal Asiatic Society publication or as the 1881 Shanghai separate; Botanicon Sinicum is simultaneously a sequence of journal volumes and a three-part book; Mediaeval Researches exists in later editions and facsimiles; the maps associated with the botanical History survive in several dates and states. For the bibliographer, wrappers, separate title-pages, imprint dates, retained journal pagination and maps are therefore evidence for how the scholarship actually circulated, not secondary curiosities.


Bretschneider's intellectual reputation during his lifetime reflected the breadth of these publications. Alongside his election to the Académie des Inscriptions et Belles-Lettres, he received recognition from geographical and scientific societies within Russia and western Europe. His botanical collections entered major herbaria; plants commemorating him preserved his name in taxonomy; and later literature continued to cite his identification of ancient Chinese plant names long after individual taxonomic conclusions had been revised. Yet his standing was always unusual because he remained essentially an independent scholar attached to diplomatic service rather than a professional academic sinologist or botanist.


His medical career receded increasingly from the printed record after China, but it should not be treated as unrelated to his scholarship. Medical training had taught him the diagnostic comparison of observed characteristics, while materia medica provided a natural point of contact between botanical morphology and Chinese textual tradition. His interest in pharmacological works belongs directly to the convergence of physician and sinologist. The third part of Botanicon Sinicum is therefore not a late departure from “pure botany” but the mature return of the physician to a class of texts in which plants were organized according to therapeutic as well as morphological significance.


The history of his work also illuminates the institutional geography of nineteenth-century scholarship. Foochow missionary printing, the American Presbyterian Mission Press at Shanghai, the North-China Branch of the Royal Asiatic Society, Trübner in London, Kelly & Walsh's network across Shanghai, Hong Kong, Yokohama and Singapore, Justus Perthes at Gotha, the Imperial Academy press in St Petersburg and A. Ilyin's cartographic establishment all participated at different stages in making Bretschneider's scholarship public. No single publishing centre defines his bibliography. Its geography follows the same routes by which books, specimens, maps and information passed between East Asia, Russia and western Europe.


Bretschneider died at St Petersburg on 12 May [29 April O.S.] 1901. His death closed a body of research that had begun more than thirty years earlier with comparatively short notes written by a legation physician attempting to understand Chinese books and culminated in volumes whose scale could be encyclopedic. The later reputation of the History of European Botanical Discoveries in China and Mediaeval Researches has understandably overshadowed his smaller early pamphlets, but those publications are indispensable for understanding the growth of his method. Each expands a problem first tested on a limited body of evidence: Chinese botanical bibliography becomes Botanicon Sinicum; notes on travellers become Mediaeval Researches; the early history of European plant collection becomes the two-volume History.


The resulting corpus has an unusual internal coherence despite the diversity of its subjects. In botany, Bretschneider asked what historical Chinese names could be related responsibly to living species. In historical geography, he asked what places and routes lay behind changing transcriptions in Chinese chronicles. In bibliography, he reconstructed when observations first entered print and how later writers inherited them. In cartography, he converted textual and observational information into spatial relationships. Each field therefore required the same operation: separate independent evidence from repetition, establish chronology, compare witnesses and test names against things.


That procedure explains why his works remain important even where later scholarship has superseded particular identifications. The durable achievement of Emil Bretschneider was not a fixed catalogue of Chinese plants or an immutable map of medieval Central Asia. It was the demonstration that Chinese scientific and historical literature could be investigated through the same exacting criticism applied to European sources while retaining its own linguistic and chronological complexity. His greatest books arose from the conviction that a plant, a place-name, a manuscript citation, an herbarium sheet and a traveller's report could correct one another when their histories were reconstructed carefully. The complicated editorial forms in which those books appeared — article, separate, society volume, London monograph, Shanghai part-publication, St Petersburg folio and engraved map — are consequently part of the substance of his achievement: they record how knowledge extracted from Chinese sources was converted into an international scholarly literature without ever belonging wholly to a single language, discipline or publishing world.

Bibliography

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“Éloge funèbre de M. le Dr Bretschneider, correspondant étranger de l’Académie.” Comptes rendus des séances de l’Académie des Inscriptions et Belles-Lettres 45, no. 3 (1901): 296.

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Milner, James D. Catalogue of Portraits of Botanists Exhibited in the Museums of the Royal Botanic Gardens. London: Printed for His Majesty’s Stationery Office by Darling & Son, 1906, p. 18.

Lipschitz, Sergei Yu. “Bretschneider, Emil Vasilievich.” In Russkie botaniki: biografichesko-bibliograficheskii slovar’, vol. I, pp. 272–273. Moscow: Izdatel’stvo Moskovskogo Obshchestva Ispytatelei Prirody, 1947.

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Stafleu, Frans A., and Richard S. Cowan. “Bretschneider, Emil [Vasilievic].” In Taxonomic Literature: A Selective Guide to Botanical Publications and Collections with Dates, Commentaries and Types. 2nd ed., vol. I: A–G, p. 320. Utrecht: Bohn, Scheltema & Holkema, 1976.

Walravens, Hartmut. Emil Bretschneider, russischer Gesandtschaftsarzt, Geograph und Erforscher der chinesischen Botanik: eine Bibliographie. Han-pao Tung-Ya shu-chi mu-lu, 22. Hamburg: C. Bell, 1983.

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Naumkin, Vitaly, general ed., with K. Y. Solonin and Frances Wood. The Bretschneider Albums: 19th-Century Paintings of Life in China. Reading: Garnet Publishing, 1995.

Karev, Vladimir M., ed. “Bretschneider, Emil Vasilievich.” In Nemtsy Rossii: entsiklopediya, vol. I: A–I, p. 225. Moscow: ERN, 1999.

MacPherson, Kerrie L. “Introduction.” In Emil Bretschneider, History of European Botanical Discoveries in China. Reprint ed. Bangkok: Orchid Press, 2002.

Baltische Historische Kommission. “Bretschneider, Alexander Hermann Emil (1833–1901).” In Baltisches biografisches Lexikon digital. Göttingen: Baltische Historische Kommission

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