Media type: E-Article Title: Introduction: A Review-Essay of F+E=T/CRobert William Fogel and Stanley L. Engerman,Time on the Cross: The Economics of American Negro Slavery Contributor: Gutman, Herbert G. Published: University of Chicago Press, 1975 Published in: The Journal of Negro History, 60 (1975) 1, Seite 53-57 Language: English DOI: 10.2307/2716794 ISSN: 0022-2992; 2325-6842 Keywords: General Medicine Origination: Footnote: