4 Andy Adams research material, correspondence and research files on various subjects including: Argentium-Juniata Mining Company, cattle brands, and six of Adams’ stories (“The Passing of Peg-Leg,” “A Question of Possession,” “Barb; A Cow Horse,” “The First Christmas at the 4-D Ranch,” “The American Cowboy,” and “Cow Coroner for the Sap told by Red Earnest”)

This series contains the research material and notes that Hudson used to write the biography of cowboy writer Andy Adams. The materials include J. Frank Dobie's research materials on Adams, maps, genealogical material, clippings, microfilm, copies of letters, articles by Adams, photographs (prints and negatives), correspondence with relatives and friends of Adams, handwritten note cards, and manuscript copies of Adams' Corporal Segundo, Barbed Wire, and Army Beef. There is also material on the collection of Adams' campfire tales edited by Hudson. Finally, there is correspondence with Southern Methodist University Press on the editing and publication of Hudson’s biography of Andy Adams.