5
5
Fogel R. W. and Engerman S. Time on the Cross: The Economics of Slavery in the Antebellum South, 2 vol. Boston, Little, Brown & Co., 1974.
5
Fogel R. W. and Engerman S. Time on the Cross: The Economics of Slavery in the Antebellum South, 2 vol. Boston, Little, Brown & Co., 1974.