- African-American Migration Experience
- Beneath the Underground: the flight to freedom
- Maryland State Archives site, featuring East New Market in Dorchester County.
- Maryland Slavery
- Database of slave purchasers in Dorchester County
- Maryland and the Underground Railway
- Includes an interactive sequence on what it was like to be a slave in Maryland.
- Researching the Underground Railroad
- A Guide for Library Users. A variety of resources for the Underground Railroad for topics such as slave narratives, biographical resources, and websites.
- The Underground Railroad
- Interactive site maintained by National Geographic Online.