Hall, Walton Shepard2017-01-122017-01-1219311931b14747108(OCoLC)07887122(OCoLC)ocm07887122https://hdl.handle.net/2144/19953Thesis (M.A.)--Boston University, 1931. 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