TY - BOOK AU - Richards, Stephen B. AU - Brady, Michael P. AU - Taylor, Ronald L. TI - Cognitive and intellectual disabilities: historical perspectives, current practices, and future directions SN - 9780367240288 U1 - 616.8588 PY - 2015///-R2019 CY - New York PB - Routledge KW - KW - Mental retardation N1 - includes index ER -