Perhambaan di Amerika Syarikat (Malay Wikipedia)

Otto H. Olsen (2004). "Historians and the extent of slave ownership in the Southern United States". Civil War History. Southernhistory.net. Dicapai pada 2007-11-23. Unknown parameter |month= ignored (bantuan)

tripod.com

thomaslegioncherokee.tripod.com

"Distribution of Slaves in US History". Dicapai pada 13 Mei 2010.

uh.edu

digitalhistory.uh.edu

"Was slavery the engine of economic growth?". Digital History. Dicapai pada 2007-11-23.

usnews.com

virginia.edu

fisher.lib.virginia.edu

"Populasi Total Budak di AS, 1790–1860, menurut negara bagian". Diarkibkan daripada yang asal pada 2007-08-22. Dicapai pada 28 Desember 2007. Check date values in: |accessdate= (bantuan)

washingtonpost.com

O'Dell, Larry (2007-02-25). "Virginia Apologizes for Role in Slavery". The Washington Post. Check date values in: |date= (bantuan)

web.archive.org

"Populasi Total Budak di AS, 1790–1860, menurut negara bagian". Diarkibkan daripada yang asal pada 2007-08-22. Dicapai pada 28 Desember 2007. Check date values in: |accessdate= (bantuan)

wikipedia.org

en.wikipedia.org

Otto H. Olsen (2004). "Historians and the extent of slave ownership in the Southern United States". Civil War History. Southernhistory.net. Dicapai pada 2007-11-23. Unknown parameter |month= ignored (bantuan)
James M. McPherson (1996). Drawn with the Sword: Reflections on the American Civil War. New York: Oxford University Press. m/s. p. 15. ISBN 0-19-509679-7. |pages= has extra text (bantuan)
James Oliver Horton (2005). Slavery and the Making of America. New York: Oxford University Press. m/s. p. 7. ISBN 0-19-517903-X. The slave trade and the products created by slaves' labor, particularly cotton, provided the basis for America's wealth as a nation. Such wealth provided capital for the country's industrial revolution and enabled the United States to project its power into the rest of the world. Unknown parameter |coauthors= ignored (|author= suggested) (bantuan); |pages= has extra text (bantuan)
Ronald Segal (1995). The Black Diaspora: Five Centuries of the Black Experience Outside Africa. New York: Farrar, Straus and Giroux. m/s. p. 4. ISBN 0-374-11396-3. It is now estimated that 11,863,000 slaves were shipped across the Atlantic. [Note in original: Paul E. Lovejoy, "The Impact of the Atlantic Slave Trade on Africa: A Review of the Literature," dalam Journal of African History 30 (1989), ms. 368.] ... It is widely conceded that further revisions are more likely to be upward than downward. |pages= has extra text (bantuan)
"Quick guide: The slave trade". bbc.co.uk. 15 Mac 2007. Dicapai pada 2007-11-23. Check date values in: |date= (bantuan)
O'Dell, Larry (2007-02-25). "Virginia Apologizes for Role in Slavery". The Washington Post. Check date values in: |date= (bantuan)
"Populasi Total Budak di AS, 1790–1860, menurut negara bagian". Diarkibkan daripada yang asal pada 2007-08-22. Dicapai pada 28 Desember 2007. Check date values in: |accessdate= (bantuan)