Blackpast.org's useful list of online, digital archives relating to African American history.

Many of Martin Luther King's documents, not just speeches, but letters, notes, telegrams etc. are available here.

From the University of Georgia. Extensive online collection of documents, news show footage of protests and much more.

A subsidiary of The Pew Charitable Trusts, The Pew Research Center (for Religion and Public Life) is a non-partisan fact tank on religious trends in the U.S. and the world. It provides polls, surveys and statistical data for a number of long-standing issues that are critical to cultural and ethnic studies within the country.

AODL is an open access digital library of African cultural heritage materials created by Michigan State University in collaboration with museums, archives, scholars, and communities around the world.

The National Museum of African American History and Culture is the only national museum devoted exclusively to the documentation of African American life, history, and culture. It was established by Act of Congress in 2003, following decades of efforts to promote and highlight the contributions of African Americans. To date, the Museum has collected more than 36,000 artifacts and nearly 100,000 individuals have become members.

Enslaved.org is a discovery hub that helps users to search and find information from a large and growing number of datasets and digital projects. Researchers can learn from linking data, visualizing larger relations and movements, and connecting the traces of people from one dataset to the next. More importantly, users can discover and explore the original sources of the information.

Makes African American history more broadly accessible through a freely available widget and search tool, umbrasearch.org; digitization of African American materials across University of Minnesota collections; and support of students, educators, artists, and the public through residencies, workshops, and events locally and around the country.