ORIGINAL
Persistent identifier https://phaidra.univie.ac.at/o:1717264
Handle https://hdl.handle.net/11353/10.1717264
URI https://valep.vc.univie.ac.at/virtualarchive/public/Harvard_University_Press_Anne_Speakman_to_Carnap_1967-12-04_L_Original/dv:940064