Archive of Science PAN and PAU in Cracow

Archive of Science PAN and PAU in Cracow

Letter from Ludwig Landgrebe written 26.10.1957

Letter from Konstanty Michalski written 03.02.1939

Letter from Hans Cornelius written 06.10.1938

Postcard from Stefan Morawski written 29.06.1967

Letter from Konstanty Michalski written 25.02.1938

Letter from Hans Cornelius written 11.01.1938

Postcard from Hans Cornelius written 09.07.1938

Letter from Konstanty Michalski written 22.01.1946

Letter from Felix Kaufmann written 23.03.1936

Postcard from Stefan Morawski written 13.06.1966

Letter to Stefan Morawski written 26.06.1967

Letter from Stefan Morawski written 08.05.1964