Manual on terminology and classification in mental retardation - Grossman, Herbert J., 1923- ([Washington]: American Association on Mental Deficiency, 1973)
Previous ed. prepared by R. F. Heber and published as a monograph supplement to the American journal of mental deficiency, v. 64, no. 2 (September 1959).
Earlier vols., published under title Statistical manual for the use of institutions for mental defectives, were prepared by the Association's Committee on Statistics.
Keywords: Mental retardation -- Classification; Mental retardation -- Terminology