Keywords: Zygmunt Bychowski (1865-1934).jpg en Dr Zygmunt Bychowski pl Dr Zygmunt Bychowski retrieved from Image before my eyes a photographic history of Jewish life in Poland 1864-1939 New York Schocken Books 1977 anonymous/unknown ~ 1900 public domain due to its age PD-old Zygmunt Bychowski |