Time on the cross : evidence and methods, a supplement / Creator/Author: Fogel, Robert William, Engerman, Stanley L.Physical Description: xi, 267 p. : ill. ; 22 cm.Publication Date: 1974Category: Books & Pamphlets
Time on the cross : the economics of American Negro slavery / Creator/Author: Fogel, Robert William, Engerman, Stanley L.Physical Description: xviii, 286 p. : ill. ; 22 cm.Publication Date: 1974Category: Books & Pamphlets