Baran, P. (1957) The Political Economy of Growth. New York: Monthly Review Press.
2.
Bauer, P. and B. Yamey (1957) The Economics of Underdeveloped Countries. Cambridge, Eng.: Cambridge Univ. Press.
3.
Clark, M. and K. Clark (1940) "Skin color as a factor in racial identification of Negro preschool children." J. of Social Psychology (Fall).
4.
Commission on School Integration (1963) Public School Segregation and Integration in the North. Washington, D.C.: National Association of Inter-group Relations.
5.
Equal Employment Opportunities Department ( 1968) "Apprenticeship training programs and contract compliance activities." Detroit Public Schools. (mimmeo) Friedman, L. (1967) The Civil Rights Reader. New York: Walker.
6.
Friedman, M. (1962) Capitalism and Freedom. Chicago : Univ. of Chicago Press.
7.
Friedman, S. (1969) "U.S. study details minority job bias." Detroit Free Press (March 2).
8.
Hiestand, D. (1964) Economic Growth and Employment Opportunities for Minorities. New York: Columbia Univ. Press.
9.
Mangum, G. (1968) M.D.T.A.: Foundations of Federal Manpower Policy . Baltimore: Johns Hopkins Press .
10.
Marshall, F. (1968) "The Negro in Southern unions," in J. Jacobson (ed.) The Negro and the American Labor Movement. New York: Doubleday .
11.
——— (1963) "Racial factors influencing entry into the skilled trades," in The Urban Economy. Baltimore : Johns Hopkins Press.
12.
——— and V. Briggs (1967) The Negro and Apprenticeship. Baltimore: Johns Hopkins Press.
13.
Northrup, H. (1968) The Negro in the Automobile Industry. Philadelphia: Univ. of Pennsylvania Press.
14.
Peck, S. (1968) "The economic situation of Negro labor," in J. Jacobson (ed.) The Negro and the American Labor Movement. New York: Doubleday.
15.
Siegel, P.N. (1965) "On the cost of being a Negro." Soc. Inquiry (Winter).
16.
Strauss, G. and S. Ingerman (1965) "Public policy and discrimination in apprenticeship ." Hastings Law J. (February).
17.
U.S. Department of Labor (1968) Barriers to Employment of the Disadvantaged. Washington, D.C.: Government Printing Office.