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