Simpson, William Thornton2016-10-202016-10-2019361936b14778695(OCoLC)07939145(OCoLC)ocm07939145https://hdl.handle.net/2144/18433Thesis (M.A.)--Boston University, 1936. 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