Hassmer, Warren Joseph2016-04-152016-04-1519491949b14760708(OCoLC)07904850(OCoLC)ocm07904850https://hdl.handle.net/2144/15800Thesis (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