TY  - BOOK
AU  - Fogel, Robert William and Engerman, Stanley L.
AU  - Engerman, Stanley L.
TI  - Time on the cross: evidence and method — a supplement
U1  - 326.973 FOG 23
PY  - 1974///
CY  - Toronto
PB  - : Little Brown and Company
KW  - Slavery United States Economic aspects | Cliometrics | United States History Methodology | Labour force-Third World
ER  -