a. photocopy of “Geronimo, Chief of the Apaches,” by E. A. Burbank from The Border, 1908.
b. with the Oklahoma Historical Society regarding Geronimo and the Shawnee Cattle Trail, 1957.
c. correspondence with Jim Kjelgaard regarding the origin of Geronimo’s name, 1957.
d. a photocopied excerpt from the Report of the Secretary of War, n.d.
e. photocopy of “The Geronimo Campaign,” by Brigadier General James Parker, n.d.
f. typescript excerpt regarding military maneuvers in the capture of Geronimo, n.d.
g. research notes by Campbell on Geronimo, n.d.
h. general correspondence regarding Geronimo, 1957.