01017nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006905000150008408200120009910000310011124501400014226000410028230000360032350000880035950000910044750501770053865000410071570000430075628464BIBL20160527200920.0730116c19591958nyua     b    00010 eng    a 58013161 0 aRJ499b.M3  a136.76610aMasland, Richard L.2Local10aMental subnormalitybbiological, psychological, and cultural factorsc[by] Richard L. Masland, Seymour B. Sarason [and] Thomas Gladwin.0 aNew YorkbBasic Booksc[1959, c1958]  a442 p.bdiagrs., tablesc24 cm.  a"A survey of research sponsored by the National Association for Retarded Children."  aThe two parts of this work were originally prepared and published as separate reports.0 aThe prevention of mental subnormality, by R. Masland.--Psychological and cultural problems in mental subnormality, by S. B. Sarason and T. Gladwin.--References (p. 401-428) 0aMentally handicapped children2Local10aSarason, Seymour Bernardd1919-2Local