Letter / Issued Document - Letter
o:1685417
o:1685395
Persistent identifier https://phaidra.univie.ac.at/o:1685394
Handle https://hdl.handle.net/11353/10.1685394
URI https://valep.vc.univie.ac.at/virtualarchive/public/Institute_for_the_Unity_of_Science_Neurath_to_Morris_Carnap_1939-02-07_L/d:938913