Translations that changed scholarship, and how to cite them

Translations changed scholarship whenever they carried knowledge into a language that had no way in: Greek medicine into Arabic in Baghdad, Arabic science into Latin in Toledo, Euclid into Chinese in 1607, Dutch anatomy into Japanese in 1774. Several also changed the work they carried, and a few are still argued over. The choice of stories is our view; every fact in them comes from a scholar's or a library's own account, read and linked.

EdCitation publishes this guide. We read each source on 3 October 2026, and where we read only an abstract or a first page, we say so.

Three steps are free on EdCitation with no account: Find sources for the scholarship on these translations, Cite a source for each reference, and Verify references for the finished list. EdCitation never writes any part of anyone's work, a line we hold with pride: it looks records up, and the reading and the argument stay yours.

Which translations changed scholarship?

These eleven are among the best documented in the history of translation, with dates as their sources give them.

How did Greek learning reach Baghdad and then Latin Europe?

By relay. Greek texts went into Arabic in Abbasid Baghdad, often through Syriac, and Arabic texts into Latin in twelfth-century Spain and Italy.

Baghdad and the House of Wisdom

D’Ancona (2026) dates the flowering of the translation movement in Baghdad to the first two centuries of the Abbasid caliphate, from al-Mansur (r. 754–775); many versions made under al-Ma'mun (r. 813–833) and his successors survive. Hunayn ibn Ishaq (d. 873), a Nestorian Christian physician, worked with his son Ishaq and others on Galen's medical works and on Plato and Aristotle, in Syriac, Arabic or both.

Syriac was the bridge. Many Greek medical texts had been put into Syriac in the sixth century, and Syriac scholars in ninth-century Baghdad carried them on into Arabic (National Library of Medicine, n.d.-a). One manuscript in that library's exhibition holds the whole chain: a Latin version of a Hippocratic treatise Hunayn had translated from Greek into Arabic.

The House of Wisdom is the famous part, and the doubtful one. O'Connor and Robertson (1999), in MacTutor's life of al-Khwarizmi, say al-Ma'mun founded it as an academy where Greek works were translated. The Stanford Encyclopedia entry, revised in 2026, says the court library "cannot be viewed as an institutional center" for the translations, though the first translators were close to the court. We follow the newer, specialist account.

Toledo and the Latin translators

Gerard of Cremona (about 1114 to about 1187) went to Toledo, then on the border of the Christian and Muslim worlds, learned Arabic and put medical works into Latin, among them Ibn Sina's Canon (National Library of Medicine, n.d.-b). Arráez-Aybar et al. (2015) write that the leading medieval authors on anatomy in Latin built on Gerard's versions, and that terms he coined, orbit and sagittal among them, remain in official anatomical terminology. We read their abstract only.

Sometimes the translation is all that survives. Al-Khwarizmi's treatise on Hindu numerals is lost in Arabic; its Latin version, Algoritmi de numero Indorum, gave us the word algorithm and is known to differ much from the original (O'Connor & Robertson, 1999). Latin's own retreat from science is in how English became the language of science.

How did translators coin the words a science still uses?

By building new words in their own script when none existed, as two cases from East Asia show.

Euclid in Chinese, 1607

Matteo Ricci reached China in 1582 with the 1574 Latin Euclid of his teacher Christopher Clavius. From 1606 he and the scholar Xu Guangqi translated it, Ricci rendering the Latin aloud in Chinese and Xu writing it in classical Chinese, and in 1607 they published Books I to VI as Jihe yuanben. Ricci died in 1610; Alexander Wylie and Li Shanlan translated Books VII to XV in 1857 (Zong, 2023). Only a handful of people knew the 1607 book at first, Zong writes, but its coinages, jihe for geometry and sanjiaoxing for triangle among them, are still in use.

Anatomy in Japanese, 1774

Kaitai shinsho was a translation of a translation. The National Diet Library (2009) describes it as a Japanese version of the Dutch Ontleedkundige tafelen of 1734, itself a translation of Johann Adam Kulmus's German Anatomische Tabellen, made by Sugita Genpaku, Maeno Ryotaku, Nakagawa Jun'an and Katsuragawa Hoshu from 1771 and published in five volumes in 1774. The library dates Kulmus's book 1732; Nagoya University's medical library gives 1722 and adds that the work began after a dissection in Edo, watched with the Dutch book in hand. We could not settle the date.

Hida (2026), an English translation of a 1978 Japanese article, shows how the words were made. Sugita wrote in Classical Chinese, which he saw as East Asia's counterpart to Latin, hoping to reach China too. For the Dutch zenuw he wrote shinkei, "nerve", which the Nihon kokugo daijiten credits to him, and which remains in use today.

When did a translator change the work itself?

Often, and openly. In three famous cases the translator's additions shaped how the work was read.

Lovelace's Notes, 1843

Luigi Menabrea's account of Charles Babbage's Analytical Engine appeared in French in Geneva in October 1842. In February 1843 Charles Wheatstone suggested that Ada Lovelace translate it for Richard Taylor's Scientific Memoirs, and, by Babbage's later account at his suggestion, she added Notes more than twice the length of the article (Green, 2001). She left the translation unsigned and signed the Notes "A.A.L." Bowden, reprinting them in 1953, credited her with "what we should now call a programme" for computing Bernoulli numbers. How much of the Notes is hers and how much Babbage's remains, in Green's words, a "continuing controversy".

Darwin in German and in French

Heinrich Georg Bronn's German Origin appeared in April 1860. Meyer (2009) calls it a liberal translation, with many footnotes and a new chapter 15, 26 pages of Bronn's own assessment. Bronn rendered "favoured" as vervollkommnet ("perfected") and "struggle for existence" as Kampf ums Dasein, nearer a fight. Why is argued over: the long-held view ties it to Bronn's idealist Naturphilosophie, Sander Gliboff's 2008 book reinterprets him, and Meyer faults that book for passing over German scholars such as Thomas Junker.

Clémence Royer's French translation of 1862 went further, with a long preface presenting Darwin's ideas as an alternative to religious revelation and explanatory notes; Darwin called her "one of the cleverest & oddest women in Europe" (Darwin Correspondence Project, n.d.-b). She also put "laws of progress", a phrase foreign to Darwin, into the subtitle, De l'origine des espèces ou des lois du progrès chez les êtres organisés, and criticism of her work kept returning to her sex (Darwin Correspondence Project, n.d.-a).

Yan Fu's Tianyan lun, 1898

Yan Fu's first published translation took Thomas Henry Huxley's 1893 Romanes Lecture, Evolution and Ethics, into Chinese as Tianyan lun. Published in 1898, it "stirred up a tremendous reaction throughout China", and Yan Fu wove in notes of his own, Francis Bacon among their subjects (Shen, 2016). Liu (2020) argues that Yan Fu moved Huxley's ethics into late-Qing nationalism, rendering "combating the cosmic process" as "overcoming Heaven"; we read that chapter's first page.

Why are some famous translations redone?

Because a translation can fail its author, while a good one lasts. Émilie du Châtelet's French Principia, finished just before her death and published in 1759, is still the leading French translation (Detlefsen, 2018).

H. M. Parshley's English Second Sex went the other way. Moi (2004) writes that its faults have been well known since an essay Margaret Simons published in 1983, yet English readers had to go on using it. They now also have the translation by Constance Borde and Sheila Malovany-Chevallier, the one our guide to citing a translated book uses. Name the translation you read: the two do not say the same things.

How do you cite a translation today?

Cite the translation you read, in its own language, name its translator, and add the original year where your style allows. The rules for all six styles are in our guides to citing a translated book and a translated article or chapter; a quotation you translate yourself is in citing your own translation.

1. Build the entry from the DOI or ISBN of the version you read with EdCitation's Cite a source, then compare the author line with its title page: a record can name the translator as the author.
2. Add the translator: in APA 7, "(S. Takahashi, Trans.)" after the title (Adams, 2021).
3. Add the original year: APA ends the entry with "(Original work published 1978)", after the DOI, and cites both years, the earlier first (Adams, 2021).
4. For a relay translation such as Kaitai shinsho, cite only the version you read, and name the language it came through in your sentence if it matters.
5. When you quote a translator's own additions, such as Lovelace's Notes or Royer's preface, name the translator in your sentence: the words are theirs.
6. Paste the list into Verify references.

Steps 4 and 5 are our advice; no style page we read addresses them.

A worked example: Hida's article

For DOI 10.20666/lij.3.0_167, Cite a source returned this APA entry from the DOI registry's record:

Takahashi, S. (2026). Translation of Foreign Words from the Late Edo Period to the Early Meiji Period (Hida Yoshifumi). Language in Japan, 3(0), 167–188. https://doi.org/10.20666/lij.3.0_167

The record names the translator as the author, puts Hida in the title and gives issue 0 where the article says No. 1, and the title kept its capitals. Corrected, with the original year from the article's own citation line:

Hida, Y. (2026). Translation of foreign words from the late Edo period to the early Meiji period (S. Takahashi, Trans.). Language in Japan, 3(1), 167–188. https://doi.org/10.20666/lij.3.0_167 (Original work published 1978)

In the text: (Hida, 1978/2026).

What did EdCitation's tools return on these translations?

EdCitation is, in our view, the best place to start a reference list on translated scholarship, because it looks each entry up in a publisher's, registry's or library's record and never writes one, as the runs below show, faults included. Find sources searches about 300 million published works; Cite a source builds APA 7, MLA 9, Chicago 18 author-date, Harvard, IEEE and Vancouver and screens each source for retraction; Verify references checks a whole list. All three are free with no account. With Pro at $8 a month, References from a file checks every reference in an uploaded paper and matches each citation to the list; with Max at $24 a month, the Library offers more than 5 million books to read and borrow. See pricing.

Find sources and Cite a source

"Graeco-Arabic translation movement" returned 1,878 results, led by Dimitri Gutas's 1998 Greek Thought, Arabic Culture, a book the Stanford Encyclopedia cites on the House of Wisdom. 解体新書 returned 646,104, Japanese studies of Kaitai shinsho first, with names forename first, as in 修一 菅: reverse them.

Meyer's DOI came back correct in all six styles. Shen's came back in APA as "Guowei, S." with "Francis bacon in yan fu’s Tianyan lun": the record swaps his names, and sentence case lowered two. Write Shen, G., and restore the capitals; names in references across cultures explains the order.

Verify references

We pasted seven entries. Hida's corrected entry, Meyer and Zong came back verified, and Parshley's 1953 Second Sex matched a library catalogue record. Shen's was doubtful ("check this"): "The DOI and title are right, but the first author differs", the record's error. Menabrea's 1843 Sketch was doubtful too, matched to a 2015 reprint. Royer's 1862 translation came back not found, though the Darwin Correspondence Project lists it: an old French book can be missing from every index searched, as a reference that cannot be found explains.

Quick questions

What was the House of Wisdom?

A court library in Abbasid Baghdad. Whether it was the centre of the Greek-to-Arabic translations is disputed; the Stanford Encyclopedia of Philosophy says it cannot be seen as one (D’Ancona, 2026).

Why are Ada Lovelace's translation notes famous?

Her Notes to her 1843 translation of Menabrea's paper ran to more than twice its length and set out a calculation of Bernoulli numbers for Babbage's engine (Green, 2001).

How do I cite a translation in APA?

Put the translator after the title, as (S. Takahashi, Trans.), end with (Original work published 1978), and cite both years, as (Hida, 1978/2026).

Can EdCitation cite a translated book or article?

Yes. EdCitation's Cite a source builds the entry from its DOI or ISBN in six styles, free; check the author line, translator and original year by hand.

References

• Adams, A. (2021, July 19). How to cite translated works. APA Style. https://web.archive.org/web/20260918195756/https://apastyle.apa.org/blog/citing-translated-works
• Arráez-Aybar, L.-A., Bueno-López, J.-L., & Raio, N. (2015). Toledo School of Translators and their influence on anatomical terminology. Annals of Anatomy, 198, 21–33. https://doi.org/10.1016/j.aanat.2014.12.003
• D’Ancona, C. (2026). Greek sources in Arabic and Islamic philosophy. In E. N. Zalta & U. Nodelman (Eds.), The Stanford encyclopedia of philosophy (Summer 2026 ed.). Stanford University. https://plato.stanford.edu/archives/sum2026/entries/arabic-islamic-greek/
• Darwin Correspondence Project. (n.d.-a). Clémence Auguste Royer. University of Cambridge. https://www.darwinproject.ac.uk/cl-mence-auguste-royer
• Darwin Correspondence Project. (n.d.-b). Darwin in letters, 1862: A multiplicity of experiments. University of Cambridge. https://www.darwinproject.ac.uk/letters/darwins-life-letters/darwin-letters-1862-multiplicity-experiments
• Detlefsen, K. (2018). Émilie du Châtelet. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy (Winter 2018 ed.). Stanford University. https://plato.stanford.edu/archives/win2018/entries/emilie-du-chatelet/
• Green, C. D. (2001). Introduction to Ada Lovelace's translation of, and notes to, Luigi F. Menabrea's "Sketch of the analytical engine invented by Charles Babbage, Esq." Classics in the History of Psychology, York University. https://psychclassics.yorku.ca/Lovelace/intro.htm
• Hida, Y. (2026). Translation of foreign words from the late Edo period to the early Meiji period (S. Takahashi, Trans.). Language in Japan, 3(1), 167–188. https://doi.org/10.20666/lij.3.0_167 (Original work published 1978)
• Liu, K. (2020). Yan Fu's Xunzian-Confucian translation of Thomas Huxley's Evolution and ethics. In C. M. Brown (Ed.), Asian religious responses to Darwinism (pp. 257–286). Springer. https://doi.org/10.1007/978-3-030-37340-5_11
• Meyer, A. (2009). Charles Darwin's reception in Germany and what followed. PLoS Biology, 7(7), Article e1000162. https://doi.org/10.1371/journal.pbio.1000162
• Moi, T. (2004). While we wait: Notes on the English translation of The second sex. In E. R. Grosholz (Ed.), The legacy of Simone de Beauvoir (pp. 37–68). Oxford University Press. https://doi.org/10.1093/oso/9780199265350.003.0003
• Nagoya University Medical Library. (n.d.). 1774 SUGITA Genpaku "Kaitai Shinsho (New Book of Anatomy)". https://www.med.nagoya-u.ac.jp/medlib/history_en/archive/print/1774kaitai.html
• National Diet Library. (2009). Kaitai shinsho (Regular image 042-001). Japan-Netherlands Exchange in the Edo Period. https://www.ndl.go.jp/nichiran/e/data/R/042/042-001r.html
• National Library of Medicine. (n.d.-a). An odyssey of knowledge: The Arabic contribution. https://www.nlm.nih.gov/exhibition/odysseyofknowledge/arabiccontribution.html
• National Library of Medicine. (n.d.-b). An odyssey of knowledge: The spread of translation. https://www.nlm.nih.gov/exhibition/odysseyofknowledge/spreadoftranslation.html
• O'Connor, J. J., & Robertson, E. F. (1999). Abu Ja'far Muhammad ibn Musa al-Khwarizmi. MacTutor History of Mathematics Archive, University of St Andrews. https://mathshistory.st-andrews.ac.uk/Biographies/Al-Khwarizmi/
• Shen, G. (2016). Francis Bacon in Yan Fu's Tianyan lun. Journal of Cultural Interaction in East Asia, 7(1), 47–66. https://doi.org/10.1515/jciea-2016-070105
• Zong, C. (2023). The journey of Euclid's Elements to China. Notices of the American Mathematical Society, 70(6). https://doi.org/10.1090/noti2719