Tulsa Race Massacre from the Oklahoma Dept. of Libraries - Documents and images from various Oklahoma state government agencies. The collection includes eye-witness testimony, letters, telegrams, police reports, and court cases.
Tulsa Race Massacre of 1921 from the Edmon Low Library at Oklahoma State University. This Collection documents the history of the event through photographs that are all part of a rich archive of materials from the Ruth Sigler Avery Collection housed at the Oklahoma State University-Tulsa Library.
Tulsa Historical Society has photographs, documents, audio files and other resources on this event.
Ruth Sigler Avery Collection from Oklahoma State University Tulsa - collection housed in the Special Collections and Archives in the OSU Tulsa Library
Tulsa Race Massacre: Topics in Chronicling America - A searchable digital collection of historic newspapers from the Library of Congress