TY  - DATA
AU  - Wesley, Charles H.
TI  - Negro labor in the United States, 1850 - 1925 : A study in American economic history
CY  - New York
KW  - Labour
KW  - Negro labour
KW  - United states
UR  - http://203.200.22.249:8080/jspui/handle/123456789/5080
ER  -