00646nam a2200217Ia 4500 28466 BIBL 20160527200924.0 711124s1965 nyu b 00010 eng 64016848 //r84 EVLG 136.766 T511u c1 RC570 .T48 136.766 136.766 T511u Thorne, Gareth D. Local 179629 Understanding the mentally retarded [by] Gareth D. Thorne. New York Blakiston Division, McGraw-Hill [1965] ix, 155 p. 21 cm. Bibliography: p. 148-150. Mental Retardation Local 135273 20645 20645 0 0 0 136_766000000000000_T511U 0 evl 316028 10 10 1 2016-05-27 40361 0 136.766 T511u 80000001038184 2016-05-27 00:00:00 r:28466 z:NCC:D 6