Umbra Search is a search engine for African American digitized materials in numerous repositories
BlackPast Digital Archives offers a list of online collections for African American History
HistoryMakers is an African American oral video history archive
Black Women's Suffrage Collection (Digital Public Library of America)
The African-American Migration Experience covers the full span of American history
Schomburg Center for Research in Black Culture Manuscripts, Archives and Rare Books Division, New York Public Library- Collects, preserves, and makes available for research purposes rare, unique, and primary materials that document the history and culture of people of African descent throughout the world, with a concentration on the Americas and the Caribbean.
- Digital Collections- browse or search by keyword
- Manuscripts listed by subject to see if available online, search Digital Collections by keyword or click on the name and look under "Digital Assets" in the catalog record (it's in the vertical menu on the left side of the page).
Research Guide for Primary Source Research on Civil Rights lists many digital collections on the Civil Rights era.