a. correspondence to and from Eleanor Hinman regarding the war record of Crazy Horse, 1932.
b. correspondence to and from James H. McGregor regarding photographs of Crazy Horse, 1935.
c. correspondence from James Cerruti regarding a photograph of Crazy Horse, 1948.
d. photocopy of newspaper clipping, “Chief Crazy Horse’s Haircut,” regarding a memorial to Crazy Horse, n.d.
e. typescript summaries by Campbell of the lives of Crazy Horse, Sitting Bull, Roman Nose, Buffalo Bill, and Joseph L. Meek, n.d.
f. general correspondence regarding Crazy Horse, 1948-1957.