[U.S.] : [publisher not identified], 
pages 721-733 ; 25 cm.
Making of Modern Law legal treatises.
Caption title. "Reprinted for private circulation from the American Journal of Sociology, Vol. XXII, No. 6, May 1917." "Address before the Conference of the Departments of History, Sociology, Political Economy, Political Sciences, and Philosophy at the Twenty-fifth Anniversary of the University of Chicago, June 5, 1916." Reproduction of original from Harvard Law School Library.