Roget's University Thesaurus Author:C.O. Sylvester Mawson, Ed. Roget's University Thesaurus is published in this inexpensive edition expressly for high school and college students. It is the largest true thesaurus available as a paperbound book, and, since it uses Peter Mark Roget's century-old system of grouping words by ideas, it solves word problems with the kind of help not offered by a dictionary or a... more » dictionary-thesaurus.« less