o:1548929
o:1556349
Persistent identifier https://phaidra.univie.ac.at/o:1548928
Handle https://hdl.handle.net/11353/10.1548928
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_Diary_1923-01-01-1924-01-05_M/d:807922