Gass, Saul Irving2016-08-052016-08-0519491949b14760587(OCoLC)07904809(OCoLC)ocm07904809https://hdl.handle.net/2144/17292Thesis (M.A.)--Boston University, 1949. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsThesis/Dissertation