Archive of Science PAN and PAU

Archive of Science PAN and PAU

Letter from Henryk Elzenberg written 07.12.1947

Postcard from Henryk Elzenberg written 04.03.1964

Postcard from Henryk Elzenberg written 19.12.1963

Letter from Henryk Elzenberg written 02.07.1963

Letter from Kazimierz Wyka written 28.08.1968