Letter / Issued Document - Letter
o:1726184
Persistent identifier https://phaidra.univie.ac.at/o:1726183
Handle https://hdl.handle.net/11353/10.1726183
URI https://valep.vc.univie.ac.at/virtualarchive/public/Feigl_to_Beth_1953-10-22_L/d:950691