Letter / Issued Document - Letter
o:1715652
Persistent identifier https://phaidra.univie.ac.at/o:1715649
Handle https://hdl.handle.net/11353/10.1715649
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_McGraw-Hill_Book_Company_Inc_1956-11-15_L/d:953998