Petty, Walter Thomas, 1918- Experiences in language / Walter T. Petty, Dorothy C. Petty, Marjorie F. Becking - 2nd ed. - Boston : Allyn and Bacon, 1976 - xvi, 522 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0205054749 LCCN: 76-000160 Subjects--Topical Terms: Language arts (Elementary)