Three boxes of correspondence, primarily incoming, concerned with both Indian issues and government bureaucracy, and personal and professional affairs. Important correspondents include author Elaine G. Eastman, Charles H. Mayo, John T. McCutcheon, Indian poet Simon Pokagon, Lucy M. Pomeroy, and Charles H. Pratt. A few letters are neither to or from Montezuma and are so noted. Unless otherwise specified, all letters are addressed to Carlos Montezuma. Montezuma's outgoing correspondence is filed within the alphabetical sequence.