TY - BOOK AU - Fogel,Robert William AU - Engerman,Stanley L. TI - Time on the cross: the economics of American Negro slavery, SN - 0316287008 AV - E449 .F65 U1 - 331.1/1734/0973 PY - 1974///] CY - Boston PB - Little, Brown KW - Slavery KW - Economic aspects KW - United States KW - Econometric models N1 - Supplemented by: "Evidence and methods, a supplement" (xi, 267 p. : ill. ; 22 cm.) published: Boston : Little, Brown, 1974. Call number: E449.F65 Suppl ER -