Books by Karl Georg Zwerenz:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Zwerenz, Karl Georg: Der Goldschmied von Toledo : Oper in einem Vorspiel und zwei Akten (Universal-Edition,a.g., 1919), also by Jacques Offenbach and E. T. A. Hoffmann (page images at HathiTrust)
Find more by Karl Georg Zwerenz at your library, or elsewhere.