Farnham-Diggory, Sylvia. Learning disabilities a psychological perspective Sylvia Farnham-Diggory. - Cambridge, Mass. Harvard University Press c1978. - vi, 154 p. : ill. ; 21 cm. Bibliography: p. 139-149. ISBN: 0674519213 Subjects--Topical Terms: Learning disabilities. Dewey Class. No.: Cir 618.9 F234 1978