Africans in America PBS's series has the narrative history, resource bank, and teacher's guide of the history of slavery in the United States in four parts:
The Southern States A short overview of slavery in the South in 1860 with links to further information. From PBS's "The American Experience."
Slavery in America Links to many resources on slavery.
Encyclopedia of Slavery A huge amount of information on slavery in the United States. Includes slave narratives and articles on the slave system, slave life, events and issues, campaigners against slavery, and much more. From Spartacus Schoolnet.
Slavery Good explanation with 25 slides. From a House Divided by the Chicago Historical Society.
Solomon Northup: Twelve Years a Slave The text of Solomon Northup's book. (Primary source document)
Documenting the American South A collection of slave narratives. From University of North Carolina at Chapel Hill Libraries. (Primary source documents)
American Slave Narratives A collection of oral histories of slaves. From the University of Virginia. (Primary sources)
Liberation Strategies Brief explanations and links to primary documents on various slave revolts. From Library of Congress.
The Confessions of Nat Turner Detailed confession made by Turner after his capture. (Primary source document)
Southampton Slave Revolt Story of the Nat Turner revolt.
Digital Images of 19th Century African Americans From the New York Public Library.
African American Voices A collection of primary documents with introductory material. From Gilder Lehrman.
Solomon Northup's Odyssey A 1984 film based on Northup's book.
Teaching With Documents Lesson Plan: Eli Whitney's Patent for the Cotton Gin From the U.S. National Archives & Records Administration.
Create an Abolitionist Poster A lesson for use in the classroom. From MacMillan McGraw-Hill.