- The Heritage Guide to The Constitution provides numerous annotations and essays to the Constitution of the United States of America.
- Vermont, the first state to abolish adult slavery, is trying to remove any mention of slavery from its Constitution altogether Michelle Lou and Brandon Griggs in this April 25, 2019 article explain background about how Vermont abolished slavery in 1777.
- How the Constitution Was Indeed Pro-Slavery David Waldstreicher explains in this September 19, 2015 The Atlantic article his thoughts about the 11 clauses that deal with slavery in the Constitution.
- Constitutionally, Slavery Is No National Institution Sean Wilentz explains in this September 16, 2015 New York Times article how the Constitution attempted to limit slavery.
- CHRONOLOGY-Who banned slavery when? provides a timeline of major years involving the beginning and abolition of slavery.
- Juneteenth explains background about this holiday and the celebrations that take place marking the end of slavery.
- Twelve Years a Slave: Narrative of Solomon Northup, a Citizen of New-York, Kidnapped in Washington City in 1841, and Rescued in 1853 provides a summary about this famous narrative.
- North American Slave Narratives publishes numerous electronic slave accounts listed in alphabetical order.
- The Underground Railroad - escape from slavery is a Scholastic lesson plan that provides numerous resources.