Contains various photographs including an image of Martin Maginnis of the Society of the Framers of the Constitution of the State of Montana, Lieutenant-Colonel R. L. Walker, George Armstrong Custer, and a number of other images. This folder also contains a list from 1908 of Montana writers or individuals who have written about Montana.

Contains an image of the curator of the Clark Library from 1934-1943, Cora Edgerton Sanders, an image of a military company around 1876, a story from the 1892 "Rockies Magazine," entitled "A Scouting Incident" and an inventory of books received from Robert E. Cowan for the W. A. Clark Library in 1931. Also includes the 17th Annual Montana History Conference brochure that was held in October 1990.

Contains postcards with images of flooding at Broadwater, Montana (1908), envelopes made out to Mr. Kessler with handwritten notes, Western Union telegrams, handwritten personal notes, correspondence from the United States Brewers' Association and American Brewing Co., newspaper clippings relating to Joe Culbertson, a print copy of "Now Ready: A Catalogue of Early English Book in the Library of John L. Clawson," and a variety of other unidentified papers and handwritten pages.

Correspondence from the Butte Newswriters Association regarding compiling a "Reference Work of Men Affairs of Montana" and the American Numismatic Society relating to Indian Peace medals. In addition to this correspondence there are handwritten documents to and from Charles Kessler.

Appears to be unsigned correspondence by Drake Schultz to Dan Carpenter requesting a photograph of Captain James Kipp for donation to the Historical Society. Also includes genealogy information of the Culbertson Family, a list of old trading posts on Upper Missouri and Yellowstone Rivers and a list of prices on food items at Alexandria, British Columbia.

Contains correspondence involving the search for information pertaining to Montana-related ephemera, books and information about well-known individuals like Alexander Culbertson and Charles M. Russell, Montana's cowboy artist. Much of this correspondence involves the history of western Indian matters.

Contains images of William Cary's paintings of the West as well as correspondence between Charles Kessler and Mr. Cary. Many of the letters provide historical accounts of Cary's experiences in the West. Also included is correspondence involving Cary's son, A. H. Cary after his father passed away and a list of titles of William Cary's oil paintings.

Contains correspondence involving various individuals that attempts to gather information about the former Indian and Fur Trader with the American Fur Company, Edwin Thomas Denig.

Contains an excerpt written by Charles N. Kessler on January 30th, 1922 regarding similarities between the Lewis and Clark Journal and the short story "The Journal of Julius Rodman," written by Edgar Allan Poe.