Books by of Ostrog Jacob Joseph:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Jacob Joseph, of Ostrog, 1739-1791: Sefer Rav Yevi (Nidpas ʻa.y. M. L. Hermʻelin, 1874), also by of Neskhiz Mordekhai and of Ostrog Judah Loeb b. Moses (page images at HathiTrust)
Find more by of Ostrog Jacob Joseph at your library, or elsewhere.