Izydor Minder's student book 1912 Antonina Kleinberg ~1920 Gusta Keiner ~1920 Paulina Keiner and her sister, Zofia Minder ~1920 Friends and relatives of the Keiner family ~1930 Adolf Keiner ~1930 Zofia Minder ~1930 Ferdynand Keiner ~1930 Wilhelm Kleinberg ~1930 Jerzy Minder 1930 Paulina Keiner and her granddaughters Alina and Malgorzata ~1960 Aleksander Ziemny 2002