Bronfenbrenner, Urie,  1917- <br/><br/>
Two worlds of childhood :  U.S. and U.S.S.R / 
by Urie Bronfenbrenner, with the assistance of John C. Condry, Jr. 
 - Harmondsworth :  Penguin Education,  1970 
 - 190 p. :  illus. (part col.) ;  21 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children--Soviet Union<br/>Children--United States<br/>Child rearing<br/>Socialization