Locating Translated Works
WorldCat 
A catalog for libraries worldwide contains citations for books, journals, manuscripts, maps, music scores, sound recordings, films, computer files, newspapers, slides, and videotapes.
3 Percent (University of Rochester) Free resource now at Publishers Weekly that can be searched going back to 2008 for works that have been translated into English .
Index Translationum (UNESCO) The Index Translationum is a list of books translated in the world, i.e. an international bibliography of translations. The database contains cumulative bibliographical information on books translated and published in about one hundred of the UNESCO Member States since 1979 and totalling more than 1,500.000 entries in all disciplines.
Out of the Wings: Spanish and Spanish American Theatres in Translation This AHRC-funded project brings the untapped riches of the theatres of Spain and Spanish America to English-speaking theatre professionals
Looking for Fiction on Particular Topics in Worldcat
Worldcat can be used to identify works of fiction on particular topics. Not a lot of books have these tags but this is a way to see if there are works of fiction categorized with a certain heading.
In the advanced Search function Set one pull down menu on one search box to SUBJECT
Enter a term such as PSYCHIATRY and combine with the word FICTION
Then set the Language pulldown menu to SPANISH
Hopefully this will get you a list of results and you can see if Emory owns any of these books.