Leichtle, K. E., & Carveth, B. G. (2011). Crusade against slavery: Edward Coles, pioneer of freedom. Southern Illinois University Press.
Chicago-čujuhus (17. p.)Leichtle, Kurt E., juo Bruce G. Carveth. Crusade Against Slavery: Edward Coles, Pioneer of Freedom. Carbondale: Southern Illinois University Press, 2011.
MLA-čujuhus (9. p.)Leichtle, Kurt E., juo Bruce G. Carveth. Crusade Against Slavery: Edward Coles, Pioneer of Freedom. Southern Illinois University Press, 2011.
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