• 4 History
• 2 Frontier and pioneer life
• 1 Antiquities
• 1 Apache Indians
• 1 Automobile mechanics
• 1 Automobile repair shops
• 1 Conner, Daniel Ellis, 1837-1920
• 1 Description and travel
• 1 Gold discoveries
• 1 Gold miners
• 1 History, Local
• 1 Indians of North America
• 1 Land titles
• 1 Maricopa Indians
• 1 Outlaws
• 1 Pima Indians
• 1 Pioneers
• 1 Plank, Sylvia Collison, 1897-1993
• 1 Silver mines and mining
• 1 Soldiers
• 1 Titus, Elmer Harvey, 1891-1971
• 1 Treasure troves
• 1 Walker, Joseph Rutherford, 1798-1876
• 1 Wars

• 1 Baker, Richard P.
• 1 Baxter, William A., 1943-
• 1 Benton, Thomas Hart, 1782-1858
• 1 Burggraaf, Pieter
• 1 Jameson, W. C., 1942-
• 1 Reno, Philip
• 1 Titus, Mariana

• 6 English

• 1 Arizona
• 1 California
• 1 Hillsboro
• 1 Iowa
• 1 Oneida County
• 1 Ortiz Mountains
• 1 Ortiz Mountains (N.M.)
• 1 Prescott (Ariz.)
• 1 Southwest, New
• 1 Tomahawk
• 1 Twining
• 1 Twining (N.M.)
• 1 United States
• 1 Wisconsin

• 2 Biography
• 1 Anecdotes
• 1 Biographies
• 1 Personal correspondence

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