Controversy over the existence of the world

Controversy over the existence of the world

Letter from Kazimierz Nitsch written 09.06.1948

Letter from Henryk Mehlberg written in 20.04.1947

Letter from Anna Teresa Tymieniecka written 18.08.1965

Letter from Józef Tischner written 05.12.1968

Postcard from Stefan Morawski written 05.12.1965

Postcard from Henryk Mehlberg written in n.d.

Letter from Halina Poświatowska written 25.07.1964

Letter from Anna Teresa Tymieniecka written 07.02.1957

Letter to Mieczysław Wallis written 17.01.1962

Letter from Anna Teresa Tymieniecka written 29.10.1956

Letter from Jan Patočka written 23.12.1947

Letter to the Polish Academy of Science written 04.06.1966