Roman Ingarden

Roman Ingarden

Letter to Kazimierz Twardowski written 30.08.1922

Postcard from Stanisław Ignacy Witkiewicz written 17.12.1934 (w liście błąd: 17.10)

Letter to Kazimierz Twardowski written 26.10.1919

Letter to the Polish Academy of Science written 05.03.1969

Letter from Stanisław Wędkiewicz written 26.04.1949

Postcard from Stefan Morawski written 16.04.1966

Letter from Adam Schaff written 12.06.1962

Postcard from Stefan Morawski written 13.12.1965

Letter from Adam Schaff written 14.05.1963

Letter to the National Scientific Publishers written n/d

Letter to Kazimierz Twardowski written 13.08.1928

Letter from Kazimierz Twardowski written 05.06.1924