TY - BOOK AU - Fogel,Robert William AU - Engerman,Stanley L. TI - Time on the cross: the economics of American Negro slavery SN - 0393306208 : AV - E449 .F65 1989 U1 - 331.11/734/0973 20 PY - 1989///, c1974 CY - New York PB - Norton KW - Slavery KW - Economic aspects KW - United States N1 - American Window; Reprint. Originally published: Boston, Mass. : Little, Brown, c1974; Includes bibliographical references (p. [274]-279) and index ER -