1. Clark B. The “cooling-out” function in higher education. Amer. social. Rev., May 1960, 369–76.
2. Clark B. The open door college. New York: McGraw-Hill, 1960.
3. Chinoy E. Automobile workers and the American dream. Garden City, NY: Doubleday, 1955.
4. Coleman J. The adolescent society. Glencoe, Ill.: The Free Press, 1962.
5. Anna Freud, & Dorothy Burlingham, Infants without families. New York: International Univer. Press, 1944, 53–64.