Graves, Louise Timlin2016-10-202016-10-2019481948b14712027(OCoLC)7858840https://hdl.handle.net/2144/18477Thesis (M.S.)--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