Time on the cross :
Fogel, Robert William
Time on the cross : the economic of American Negro salvery - Boston : Little, Brown and Company, 1974 - xviii, 286 p.
CHS4671
Slavery - United States - Economic aspects
306.362
Time on the cross : the economic of American Negro salvery - Boston : Little, Brown and Company, 1974 - xviii, 286 p.
CHS4671
Slavery - United States - Economic aspects
306.362