Van Horne, George Minard2017-04-202017-04-2019481948b1479276x7970651https://hdl.handle.net/2144/21379Thesis (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