o:1683438
Persistent identifier https://phaidra.univie.ac.at/o:1683437
Handle https://hdl.handle.net/11353/10.1683437
URI https://valep.vc.univie.ac.at/virtualarchive/public/Institute_for_the_Unity_of_Science_Morris_to_Rollin_D_Hemens_University_of_Chicago_Press_1941-03-01_L/d:953011