Voorhees, Donald, 1926- Lessons from a lifetime of watercolor painting / Donald Voorhees. - 1st ed. - Cincinnati, Ohio : North Light Books, c2007. - 144 p. : col. ill. ; 29 cm. Includes index. ISBN: 1581807759 (alk. paper) 9781581807752 (alk. paper) Subjects--Topical Terms: Watercolor painting--Technique. Dewey Class. No.: 751.422VOO