Kirk, Samuel Alexander 1904- Educating exceptional children / Samuel A. Kirk, James J. Gallagher. - 6th ed. - Boston : Houghton Mifflin Co., 1989. - xvii, 598 p. : ill. (some col.) ; 24 cm. Includes indexes. Bibliogr.: p. 548-570. ISBN: 0395432189 Subjects--Topical Terms: Special education--United States