Banker. Programs of Oklahoma City businessmen’s clubs, including the Oklahoma Club (1925–1931) and the Men’s Dinner Club (1913–1914); a program of an Oklahoma City banquet honoring Gen. John J. Pershing (1920); currency issued by the Confederate States of America (1864) and the federal and state governments of Mexico (1915–1916); programs of the inaugurals of Oklahoma governors Lee Cruce (1911) and John C. Walton (1923); a manuscript (1933) by Martin, regarding early telephone service in Marlow, Oklahoma; and showbills (1912–1920) of the Overholser Theatre in Oklahoma City, Oklahoma. Also in this collection are certificates of incorporation (1906–1909) of the Martin Mill and Elevator Company, and posters (circa 1925) advocating use of the new airmail service, the latter picturing the dirigible Shenandoah, an early touring car, and an early open-cockpit airplane.