Hughes, Mary Hazel2016-04-152016-04-1519491949b1474787x(OCoLC)07888963(OCoLC)ocm07888963https://hdl.handle.net/2144/15829Thesis (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