Williams, Joyce, Middle childhood: behavior and development [print] Joyce Wolfgang Williams [and] Marjorie Stith. - New York, Macmillan (c)1974. - xv, 492 pages illustrations 24 cm. LCCN: 73005284 Nat. Bib. No.: GB74-22421 Subjects--Topical Terms: Child psychology. LC Class. No.: BF721.S862.M533 1974