5tClaudia Goldin, "The Human Capital Century and American Economic Leadership: Virtues of the Past," Journal of Economic History, Vol. 61, no. 2, 2001.
6John Eatwell et al. , The New Palgrave: A Dictionary of Economics (London: The Macmillan Press Limited, 1987), Vol. 2, p. 682.
7Claudia Goldin, "Egatitarianism and the Returns to Education during the Great Transformation of American Education," Journal of Political Economy, No. 2, 1996.
8Claudia Goldin, "The Human Capital Century and American Economic Leadership: Virtues of the Past," Journal of Economic History, VoL 61, No. 2, 2001.
9John N. Ingham, Biographical Dictionary of American Business Leaders (Westport: Greenwood Press, 1983), p. 903.
