Davis, Gerald Mangan2014-12-092014-12-0919351935b1477592xhttps://archive.org/details/useofdiispropyle00davihttps://hdl.handle.net/2144/9787Typewritten sheets in cover. Thesis (M.A.)--Boston University This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Thesis/Dissertation