Persistent identifier https://phaidra.univie.ac.at/o:1683774
Handle https://hdl.handle.net/11353/10.1683774
URI https://valep.vc.univie.ac.at/virtualarchive/public/University_of_Chicago_Press_Donald_P_Bean_to_Morris_Carnap_Neurath_1939-03-07_L_Copy/dv:951910