Learning disabilities / Stanley W. Johnson, Robert L. Morasky. Johnson, Stanley W., 1928- Morasky, Robert L., 1940- joint author. Learning disabilities. LC4704 .J64 1980 371.9 JOL Includes indexes. Bibliography: p. [405]-424. Boston : Allyn and Bacon, c1980. c1980. 1980 Text xviii, 436 p. : eng