----------------------------Original message---------------------------- You might try checking John Snyder's map projection bibliography. It can be searched and downloaded via the URL given below. -- Duane F. Marble E-mail: [log in to unmask] Dept. of Geography Home Page: http://thoth.sbs.ohio-state.edu The Ohio State University Telephone: (614) 292-2250 Columbus, OH 43210 Fax: (614) 292-6213