Letter / Issued Document - Letter
o:1716520
Persistent identifier https://phaidra.univie.ac.at/o:1716519
Handle https://hdl.handle.net/11353/10.1716519
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Robert_Sproul_1950-10-22_L/d:940653