Letter / Issued Document - Letter
Persistent identifier https://phaidra.univie.ac.at/o:1967676
Handle https://hdl.handle.net/11353/10.1967676
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Helene_Holzmann_1947-05-20_L/d:938546