Archive of Science PAN and PAU in Cracow

Archive of Science PAN and PAU in Cracow

Letter from Konstanty Michalski written 11.03.1938

Letter from Felix Kaufmann written 05.12.1934

Letter from Konstanty Michalski written 22.01.1946

Letter from Felix Kaufmann written 09.10.1934

Letter from Konstanty Michalski written 25.02.1938

Postcard from Hedwig Conrad-Martius written nd.03.1958

Letter from Hans Cornelius written 06.10.1938

Letter from Stefan Morawski written 08.05.1964

Letter from Konstanty Michalski written 20.02.1939

Letter to Stefan Morawski written 29.10.1969

Postcard from Hans Cornelius written 09.07.1938

Postcard from Stefan Morawski written 29.06.1967