Tolhurst, Joseph L.2016-10-122016-10-1219491949b14751938(OCoLC)07893422(OCoLC)ocm07893422https://hdl.handle.net/2144/18114Thesis (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