Engleman, Helen Deitel2016-08-052016-08-0519481948b14791596(OCoLC)07966767(OCoLC)ocm07966767https://hdl.handle.net/2144/17266Thesis (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