Letter / Issued Document - Letter
o:1624626
Persistent identifier https://phaidra.univie.ac.at/o:1624625
Handle https://hdl.handle.net/11353/10.1624625
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Leo_Apostel_1954-07-17_L/d:935253