To find lists of books that have been translated into English from a particular foreign language, you can do the following search in BobCat:
You can do a similar search in WorldCat. Choose "Advanced Search", choose "Subject" for all three boxes on the drop-down menu, and enter German [French, Russian, etc.] translations, and bibliography.
The Index Translationum, published by UNESCO, lists translations from and into the languages of about 100 nations. The online version covers 1979 to 2009. The print version, in REF1, goes back to 1932.
Webpage for UNESCO's Index Translationum.
Available in Ref1
NYU Bobst / 1st Floor Reference Z6514.T7 I4 /Non-circulating
(COVID-19 update: Print copy of the Index Translationum has been moved to another location in the library, but HathiTrust has provided a temporary limited access online through the BobCat catalog.)
NYU Bobst/1st Floor Reference PR131.O94 2000/Non-circulating
An excellent overview.