Pearce, Theodore2017-01-122017-01-1219481948b14792230(OCoLC)7968401https://hdl.handle.net/2144/19858Thesis (M.A.)--Boston University, 1948. 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