Smith Robert M. Clinical teaching methods of instruction for the retarded - 2nd ed. - New York McGraw - Hill Book 1974 - 366 p. 24 cm. - McGraw hill series in special education . Education of Mentally Retarded, Mental Retardation ISBN: 0070589062 Subjects--Topical Terms: Mental RetardationEducation of Mentally Retarded Dewey Class. No.: 371.928 / SMI