Backus, Ollie Lucy Speech therapy with children / Ollie Backus [and] Jane Beasley. - Boston Houghton Mifflin [1951] - viii, 441 p. 22 cm. Bibliography: p. 429-432. LCCN: 51011340 Subjects--Topical Terms: Speech Disorders LC Class. No.: LB3454 / .B3 Dewey Class. No.: 372.4