Pony Express Historical Association
- Owners and operators of the Patee House Museum and Jesse James Home.
- http://www.stjoseph.net/ponyexpress/

Founding of the Pony Express
- History of the Pony Express from the Museum of the City of San Francisco.
- http://www.sfmuseum.org/hist1/pxpress.html

Pony Express Information
- Find fast facts describing the beginning and end of the service, quickest and longest journeys, rider credentials, and types of horses used.
- http://www.americanwest.com/trails/pages/ponyexp1.htm

Pony Express Museum
- Information on the Old West's most famous mail service.
- http://www.ponyexpress.org/

Pony Express Home Station
- Information on the Pony Express which delivered mail to the American West from April 1860 to November 1861.
- http://www.xphomestation.com/