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