COPY
Persistent identifier https://phaidra.univie.ac.at/o:1683457
Handle https://hdl.handle.net/11353/10.1683457
URI https://valep.vc.univie.ac.at/virtualarchive/public/University_of_Chicago_Press_Memo_to_Subscribers_to_Foundations_of_the_Unity_of_Science_1941-03-13_M_Copy/dv:953111