Tizard, Jack, 1919- Tizard, Jack, 1919- The mentally handicapped and their families : a social survey / by J. Tizard and Jacqueline C. Grad. - London ; New York : London ; New York : Oxford University Press, 1961. - Maudsley monographs ; no. 7 . At head of title: Institute of psychiatry. Bibliography: p. 132-133. Subjects--Topical Terms: Mentally handicapped.Mental Retardation.