Archive of Science PAN and PAU in Cracow

Archive of Science PAN and PAU in Cracow

Letter from Konstanty Michalski written 25.02.1938

Letter to Stefan Morawski written 26.06.1967

Letter from Fritz Kaufmann written 03.11.1935

Letter from Felix Kaufmann written 05.12.1934

Postcard from Stefan Morawski written 12.08.1967

Letter from Stefan Morawski written 30.10.1968