Persistent identifier https://phaidra.univie.ac.at/o:1625812
Handle https://hdl.handle.net/11353/10.1625812
URI https://valep.vc.univie.ac.at/virtualarchive/public/Paul_Feyerabend_Excerpt_from_a_letter_to_HF_27_Oct_58_1958-10-27_M_Original/dv:935651