Universities during world war II : materials of the international symposium held at the Jagiellonian University on the 40 anniversary of "Sonderaktion Krakau" : Cracow, October 22-24, 1979 / ed. Józef Buszko and Irena Paczyńska. (Zeszyty Naukowe Uniwersytetu Jagiellońskiego, 1984)