Hill, Rowland Merlin2014-12-152014-12-1519411941b14738326https://archive.org/details/realisticdescrip00hillhttps://hdl.handle.net/2144/9944Thesis (Ph.D.)--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