Janusz Ingarden

Janusz Ingarden

Letter to Stefan Żółkiewski written in 07.05.1964

Letter from Irena Krońska written in 13.01.1961

Letter to the Polish Academy of Science written 04.06.1966

Letter to Kazimierz Twardowski written 29.11.1927

Letter to Mieczysław Wallis written 05.02.1966

Letter to Władysław Tatarkiewicz written 30.10.1966

Letter to the Polish Academy of Science written 28.04.1964

Postcard from Henryk Mehlberg written in n.d.