Letter / Issued Document - Letter
o:1705599
Persistent identifier https://phaidra.univie.ac.at/o:1705598
Handle https://hdl.handle.net/11353/10.1705598
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Elisabeth_Carnap_1931-12-21_L/d:956720