Microfilmed copies of handwritten and typescripts of interview notes, correspondence, general notes, and lists. The materials relate primarily to the Indian wars of North America from 1866 to 1895. The original materials reside in the Ellison--Camp collection at the Denver Public Library. The items were initialy created and collected by Walter Mason Camp with some materials generated by Robert Ellison. Also included are typescripts of some of the items.

Holograph history of the Washita campaign and the subsequent battle of the Washita describing the movement and actions of the US 7th Cavalry from 22 November to 2 December 1868. The account is very detailed. The exact date of the record's composition is uncertain. It may have been written a number of years after the event. Also included are some observations on Custer and his actions against some hostile Indians when Mathey first met him in 1867.