The photographs found in this collection are primarily of the Osborne, Montague, and Tingstad families. Of note are photographs of Bodie and Lake Tahoe in the late nineteenth century, photographs of Balboa, Catalina, and Coronado in the early twentieth century, and photographs of Henry Zenas Osborne and Charles Manly Stedman, the last Confederate veteran of the Civil War to serve in Congress, together in front of the Capitol. Also included in this series is an unidentified film reel.

This series contains the framed art, certificates, and other objects found in the Osborne-Montague Collection, including a blue satin beaded dress, Harry's drafting tools and measuring tape, and a cribbage board.