Mud Springs Pony Express Station: http://www.wyonebtourism.com/NorthP/MudSprings/default.htm
Wyoming Veterans including U.S. Army Frontier Posts in Wyoming: http://www.genealogyalongtherockies.com/wyoming/Veterans/wyvet.htm
Western Trails: A Collaboration of Cultural Heritage Institutions from Colorado, Kansas, Nebraska, and Wyoming: http://www.bcr.org/cdp/exhibits/westerntrails/military/index.html
Fort Caspar: http://www.fortcasparwyoming.com/fortcaspar.asp
Fort Laramie National Historic Site: http://www.nps.gov/fola/
Fort Laramie Historic Association: http://www.fortlaramie.com
11th Ohio Cavalry Information: http://www.ohiocivilwar.com/cwc11.html
Wyoming State Historic Preservation Office: http://wyoshpo.state.wy.us
Casper, Wyoming History: http://www.travel-to-wyoming.com/casper/casper_history.htm