@misc{Zylberberg_Abram_[?]_Tombstone, author={Zylberberg, Abram [?]}, howpublished={online}, type={scan of a glass negative}, title={Tombstone of Rivkah Rachela bat Elkanah}, keywords={tombstone, Faces of a non-existent city (photo collection), Rynek 4, Jewish History Tours, collection of glass negatives, Rivkah Rachela bat Elkanah}, }