o:1683593
Persistent identifier https://phaidra.univie.ac.at/o:1683592
Handle https://hdl.handle.net/11353/10.1683592
URI https://valep.vc.univie.ac.at/virtualarchive/public/Mary_D_Alexander_University_of_Chicago_Press_to_Neurath_Institute_for_the_Unity_of_Science_1938-03-09_L/d:951860