Persistent identifier https://phaidra.univie.ac.at/o:1706780
Handle https://hdl.handle.net/11353/10.1706780
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Hanneliese_Hanna_Thost-Carnap_1949-12-17_L_Copy/dv:985384