Wilson, Guy Mitchell, Teaching the new arithmetic/ what to teach, how to teach it, provision for professional growth, - 1st ed. - New York and London, McGraw-Hill book company, inc., 1939. - xi, 458 p. illus., diagrs. 24 cm. Subjects--Topical Terms: Arithmetic--Study and teaching.MCE Dewey Class. No.: 513 / WIL