an introductory survey of special education Heward, William L. creator Orlansky, Michael D. text Columbus Merrill Publishing Company c1988 3rd ed. monographic xiii, 657 p. : figures ; 24 cm. William L. Heward [and] Michael D. Orlansky. Includes bibliographical references, glossary and indices. Exceptional children 155.45 H597 1988 0-675-20890-4