00927nam a2200289Ia 4500 57466 BIBL 20160527190428.0 770512s1978 nyua b 00110 eng 77023359 //r893 0471427160 EVLG RC570 .I4 WM300 I44m 616.8/588 Ingalls, Robert P. 237741 Local Mental retardation the changing outlook Robert P. Ingalls. New York Wiley c1978. xiv, 491 p. ill. 24 cm. Includes index. Bibliography: p. 453-481. Mental Retardation Etiology. 135273 Local Education of mentally retarded 90442 Local Mental Retardation 135273 Local Mentally handicapped children Education. 135287 Local Mentally handicapped Care. 135283 Local 43856 43856 0 0 ddc 0 616_858800000000000_I44M 0 evl 115171 10 10 1 2016-05-27 83119 0 616.8588 I44m 80000000642705 2016-05-27 00:00:00 r:57466 z:NCC:D 6