Woodruff, G. Willard Working Words In Spelling / G. Willard Woodruff and George N. Moore - Canada : D. C. Heath and Company, 1985. - 175 p. : ill. ; 27 cm. ISBN: 06692032813 Subjects--Topical Terms: Orthography and Spelling--English Language Dewey Class. No.: 428.1 / WOO 1985