112 leaves. Advisor: Thomas Westbrook. Notice: This pdf document was created from an original electronic word-processing file. The text is the same as the original paper-bound copy that is located at the Drake University Cowles Library. The signature page is a scanned copy of an
original. The document was converted to pdf format using a word processing program released after the paper document was created. Because of the change in word-processing programs, the pagination of this document is different from the original. The Table of Contents entries have been updated to show pages for this pdf document.