1964-07-26 hdl:11353/10.1611505 uri:https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Haim_Gaifman_Jeffrey_John_Kemeny_1964-07-26_L/d:903931 https://phaidra.univie.ac.at/o:1611505 Letter / Issued Document - Letter Haim Gaifman Richard Jeffrey John George Kemeny Carnap to Haim Gaifman, Jeffrey, John Kemeny, 1964-07-26 (L) collection http://rightsstatements.org/vocab/InC/1.0/ Rudolf Carnap