Persistent identifier https://phaidra.univie.ac.at/o:1684256
Handle https://hdl.handle.net/11353/10.1684256
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Virginia_L_Kracke_University_of_Chicago_Press_1949-10-12_L_Original/dv:952020