o:1683569
Persistent identifier https://phaidra.univie.ac.at/o:1683568
Handle https://hdl.handle.net/11353/10.1683568
URI https://valep.vc.univie.ac.at/virtualarchive/public/Mary_Irwin_University_of_Chicago_Press_to_Institute_for_the_Unity_of_Science_Morris_Rollin_D_Hemens_Neurath_1938-03-28_L/d:951866