371.9
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           Heck, Arch O
               The Education of exceptional children its challenge to teachers, parents, and laymen \ Arch O Heck - 2nd - New York : McGraw Hill, 1953.
               xiv, 513p. - McGraw-Hill series in education .
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                Subjects: Special education; Exceptional children; Socially handicapped children-Education; Handicapped-Education, School management and organization.