ORIGINAL
Persistent identifier https://phaidra.univie.ac.at/o:1708407
Handle https://hdl.handle.net/11353/10.1708407
URI https://valep.vc.univie.ac.at/virtualarchive/public/Philipp_Frank_to_Nagel_Edith_Nagel_1938-10-28_L_Original/dv:985796