Dyer, Helen Frances2016-08-052016-08-0519491949b14745392(OCoLC)07885879(OCoLC)ocm07885879https://hdl.handle.net/2144/17325Thesis (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