a. correspondence regarding the youth of Sitting Bull, and speculation as to the “mission” of Sitting Bull, 1929.
b. correspondence regarding a biography of himself, and attempts to set the Sioux scene for Campbell, 1929.
c. correspondence regarding Indian torture, and Sitting Bull’s mercy killing of a tortured woman, 1929.
d. correspondence regarding the signature of Sitting Bull, 1929.
e. correspondence regarding Sitting Bull and Crazy Horse as friends; and Sitting Bull and religion, 1930.
f. correspondence regarding scalps taken by Sitting Bull and his coups, 1930.
g. a news article regarding Sitting Bull’s grave, and remarks from A. M. Beede regarding the unearthing of the grave, 1930.
h. correspondence praising Sitting Bull, 1932.
i. “Terrible Rat,” by A. M. Beede. n.d.
j. correspondence regarding Sitting Bull on whiskey, and his remarks after a trip to Washington, n.d.
k. “The Mysterious Animal Covered with Blanket,” n.d.
l. general research notes by Campbell, n.d.