Tulsa Race Massacre - Oklahoma Digital PrairieThis collection features documents and images from various Oklahoma state government agencies, such as the Governor’s office and the Attorney General’s office, regarding the investigation into the Tulsa Race Massacre of 1921. The collection includes eye-witness testimony, letters, telegrams, police reports, and court cases. Additionally, some documents relate to prostitution, gambling, and illegal alcohol in Tulsa during the early 1920s.