1. Barton County Historical Society
Court House, Lamar, MO 64759
Coordinate: 37.49322,-94.27544
Phone: (417) 681-0412
2. Barton County Circuit Court House
1004 Gulf St Rm 204, Lamar, MO 64759
Coordinate: 37.49562,-94.27753
Phone: (417) 682-2444
3. Truman Harry S Birthplace State Historic Site
1009 Truman St, Lamar, MO 64759
Coordinate: 37.495373,-94.27125
Phone: (417) 682-2279