o:1683651
Persistent identifier https://phaidra.univie.ac.at/o:1683650
Handle https://hdl.handle.net/11353/10.1683650
URI https://valep.vc.univie.ac.at/virtualarchive/public/Morris_Institute_for_the_Unity_of_Science_to_University_of_Chicago_Press_Mary_Irwin_1937-08-26_L/d:951711