Ryan, George P2016-06-152016-06-1519491949b14750041(OCoLC)07890827(OCoLC)ocm07890827https://hdl.handle.net/2144/16477Thesis (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