- Fort Listings by US State
- Fort Logan National Cemetery
- Colorado State Archives
- City of Sheridan
- Sheridan Historical Society
- Historic Forts of the West
- Dwight D. Eisenhower Presidential Library
- Former Bases .com
- Association of Northern Front Range Museums
- Forts and Towns Along the Trails
- Teacher’s Resource Collection-History of the American West 1860-1920 Library of Congress
- Kansas Heritage Group-Mamie Doud Eisenhower
- Famous Pioneer Towns, Forts & Places
- The Overland Trail
- Fort Tours in the Southwest
- Military.com – Military museums and memorials
- Victorian Preservation Association
- VFWs
- Colorado Historical Society
- Bent’s Old Fort, Colorado
- Fort Garland, Colorado
- Fort Laramie, Wyoming
- Medal of Honor Citations
- National Park Service
- U.S. Cavalry Association, Fort Riley, Kansas
