Books by Heinrich Keffer:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Keffer, Heinrich, -1473 or 1474: Super sapientis hebrei cantica Johannis de Gersona ([Johann Sensenschmid, 1470), also by Jean Gerson, Johann Sensenschmidt, and Wartburg Theological Seminary Collection of Incunabula (Boston College. John J. Burns Library) (page images at HathiTrust)
Find more by Heinrich Keffer at your library, or elsewhere.