level G Wodruff, G. Willard. creator Moore, George N. Forest, Robert G. Talbot, Richard A. Talbot, Ann R. text Lexington, Massachussetts D.C. Heath and Company c1985 monographic 175 p. : col. ill. ; 24 cm. G. Willard Woodruff and George N. Moore ; with Robert G. Forest [and two others]. Includes glossary. Spelling 411 W893 1985 0-669-203386-4 0-669-203084-5