o:1705219
Persistent identifier https://phaidra.univie.ac.at/o:1705218
Handle https://hdl.handle.net/11353/10.1705218
URI https://valep.vc.univie.ac.at/virtualarchive/public/Konstantin_Zetkin_to_Ina_Carnap_1963-10-29_L/d:984341