@misc{Zylberberg_Abram_[?]_Family,
 author={Zylberberg, Abram [?]},
 howpublished={online},
 type={scan of a glass negative},
 title={Family photography},
 keywords={collection of glass negatives, family photography, Rynek 4, Jewish History Tours, Faces of a non-existent city (photo collection)},
}