The LGBTQ+ Studies Web Archive collects and preserves online content which documents LGBTQ+ history, scholarship, and culture in the United States and around the world. 
The Slave Narrative Collection, a group of autobiographical accounts of former slaves, today stands as one of the most enduring and noteworthy achievements of the WPA, Compiled in seventeen states during the years 1936-38, the collection consists of more than two thousand interviews with former slaves, most of them first-person accounts of slave life and the respondents' own reactions to bondage.
Umbra Search brings together hundreds of thousands digitized materials from over 1,000 libraries and archives across the country to make African American history more broadly accessible. 
Online collection of photographs related to the 1921 Tulsa Race Massacre. Curated by I. Marc Carlson, the former Librarian of Special Collections at the University of Tulsa's McFarlin Library. 
1921 Tulsa Race Massacre Online Exhibit from the Museum of Tulsa History. The online exhibit includes photos, audio recordings, documents, and resources for further research. 
The Tribal Treaties Database provides an easy-to-use portal to access treaties, agreements, and other historical documents that have shaped relationships between tribal nations and the United States. These treaties represent pivotal moments in history where rights were negotiated, promises made, and the course of lives and nations forever altered.
Stone-Campbell Resources provides primary sources that reveal the history and advocacy of the Stone-Campbell Movement across its many voices, in many places, from its inception until recent living memory. Included in the collection are books, periodicals, tracts, pamphlets and broadsides; photographs, portraits and artwork; audio and film recordings of sermons, lectures and other events. Everything is fully viewable or downloadable.
The Southern Baptist Historical Library and Archives is a worldwide center for the study of Baptist history. Governed by the Council of Seminary Presidents, the SBHLA is one of the major denominational collections in the nation and serves, by assignment of the Southern Baptist Convention, as the central depository and archives of SBC records.
The Solomon Sir Jones films consist of 29 silent black and white films documenting African-American communities in Oklahoma from 1924 to 1928. Tulsa footage can be found in at least five of the films (film two, film eighteen, film twenty, film twenty-seven, and film twenty-eight) and includes several shots of the Greenwood area.
JSTOR's Reveal Digital develops open, collaboratively funded primary source collections that surface under-represented voices from the 20th century and beyond. 