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