a. “Sitting Bull Talks with the Signal Reporter and Unburdens a Grief or Two,” from The Signal, 1883.
b. Ghost Dance Manuscript,” by George E. Hyde, 1947.
c. excerpt regarding a congressional committee visit to Standing Rock Agency, and an interview with Sitting Bull, ca. 1883.
d. "Mary Collins Tells of the Dances of the Sioux and the Influence Held by Sitting Bull,” n.d.
e. excerpts regarding the Indian police at Standing Rock Agency, n.d.