Archive of Science PAN and PAU in Cracow

Archive of Science PAN and PAU in Cracow

Letter from Ludwig Landgrebe written 02.06.1936

Letter from Hans Cornelius written 22.11.1937

Letter from Konstanty Michalski written 03.02.1939

Letter from Felix Kaufmann written 21.05.1935

Postcard from Stefan Morawski written 28.06.1967

Postcard from Stefan Morawski written 17.11.1965

Letter from Hans Cornelius written 11.01.1938

Letter from Konstanty Michalski written 15.03.1938

Postcard from Stefan Morawski written 24.01.1966

Letter from Stefan Morawski written N/D 5

Letter from Konstanty Michalski written 09.02.1939

Letter from Stefan Morawski written 08.05.1964