A critical bibliography of German literature in English translation, 1481-1927: With supplement embracing the Years 1928-1935. Second edition, completely revised and greatly augmented.

Includes translations of many non-fictional works, including those in biology, etc. It was reprinted several times. The 1938 edition is searchable at Google Books at this link. Digital facsimile of the 1922 first edition from the Internet Archive at this link.