[American Frontier] Group of Four Volumes Related to the American Frontier, Three Signed. Comprised of Cattle Kings of Texas signed by the author, C.L. Douglas (Dallas: Cecil Baugh, 1939); Malcom Campbell, Sheriff by Robert B. David, signed by Campbell (Casper: Wyomingana, 1932); Thirty Years on the Frontier signed by the author, Robert McReynolds (Colorado Springs: El Paso Publishing, 1906); and Marshal of the Last Frontier: Life and Services of William Mathew (Bill) Tilghman by Zoe A. Tilghman (Glendale: The Arthur H. Clark Co., 1949). 8vos. Publisher?s cloth over boards with stamped titles. Conditions very good overall.