Bibliotheca Sinica: Dictionnaire bibliographique des ouvrages relatifs à l'empire Chinois. Deuxième édition, revue, corrigée et considérablement augmentée. 4 vols. (1904-1908), plus Supplement (1923-1945).

The "standard enumerative bibliography" of 70,000 works on China up to 1921, including the full titles, tables of contents, and annotations regarding many books. Cordier was able to achieve this despite having only minimal knowledge of Chinese.

Digital facsimile of vols. 1-4 from BnF Gallica at this link.

Because of its highly comprehensive nature this bibliography includes extensive coverage of works on the natural history, botany, zoology, etc. of China.