Bronfenbrenner, Urie Two worlds of childhood, U.S. and USSR / Urie Bronfenbrenner, John C.Condry - London: Allen & Unwin; 1971 - x, 190p.: ill.; 22 cm. Includes index. ISBN: 0041550048 Subjects--Topical Terms: United StatesUSSRChildrenEducation Dewey Class. No.: 301.4314 / BRO