Contents: Davison, Brigid Catherine Clare. Familial idiopathic severe subnormality: the question of a contribution by X-linked genes - Swift, Peter Neville. The application of genetic principles to screening for metabolic disorders: the Leybourne Grange survey of mentally subnormal siblings/ by Peter N. Swift, Philip F. Benson, John D. Studdy.
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Genetic studies in mental subnormality. ISBN 0900443065. Published by Headley for the Royal College of Psychiatrists in 1973. Publication and catalogue information, links to buy online and reader comments.
