. "United States Holocaust Memorial Museum"@en . "Photographic postcard"@en . . . . . "Photographic postcard; black and white image of group of small children, ages: 3-5, seated on grass with their teacher, Sister Jadwiga; dated: 1942; location: Łomna, Poland"@en . . "1 Photographic print,"@en . "irn13400" .