African
- Africa Before Transatlantic Enslavementa joint project of the UK and USA.
- Voyages: Trans-Atlantic Slave Trade DatabaseInformation on almost 36,000 slaving voyages
- Internet African History SourcesHistorical sources on the history of human societies in the continent of Africa. Last updated in 2007
North American
- From Slavery to Freedom: The African-American Pamphlet Collection, 1822-1909pamphlets from the Rare Book and Special Collections Division, published from 1822 through 1909, by African-American authors and others who wrote about slavery, African colonization, Emancipation, Reconstruction, and related topics.
- Louisiana: European Explorations and the Louisiana PurchaseGood source for early maps
- Printed Ephemera: Three Centuries of Broadsides and Other Printed EphemeraIncludes abolitionist and runaway slave broadsides
