Persistent identifier https://phaidra.univie.ac.at/o:1708062
Handle https://hdl.handle.net/11353/10.1708062
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_Ina_Carnap_to_Edith_Nagel_Nagel_1937-06-15_L_Copy/dv:985655