Further correspondence of Selig Perlman / Warren J. Samuels -- Notes and other materials from John Ulric Nef's course on French industrial history since the Reformation, Economics 322, University of Chicago, spring 1934 -- Materials from Charles O. Hardy's course on money and banking, Economics 330, University of Chicago, 1933-1934 -- Materials from Chester Whitney Wright's courses on the economic history of the United States, University of Chicago, 1933-1934 -- Notes from Hans H. Gerth's seminar, Mass movements, Sociology 250, University of Wisconsin, 1955-1956 / Warren J. Samuels -- Notes from Edwin E. Witte's course on government and labor, Economics 249, fall 1955 / Warren J. Samuels -- Materials from John Ulric Nef's courses on economic history, Economics 221 and 322, University of Chicago, 1933-1934 -- Materials from John Ulric Nef's course, Introduction to European economic history, Economics 221, University of Chicago, fall 1933-1934.

Volume 23C of this research annual first presents lecture notes from courses at the University of Wisconsin during 1955-6 given by Hans Hl. Gerth and Edwin E. Witte, together with correspondence of Selig Perlman. The volume also presents notes taken by F. Taylor Ostrander in courses given at the University of Chicago during 1933-4. The notes are from courses given by John U. Nef, Charles O. Hardy, and Chester W. Wright, on European economic history, money and banking, and U.S. economic history, respectively.