(en) Francis B. Heitman, Historical Register and Dictionary of the United States Army, from it's Organization, September 29, 1789, to March 2, 1903, Washington, Government Printed Office, (lire en ligne)
findagrave.com
(en) Thomas Leonidas Crittenden, page consacrée au général sur Find a Grave.com (consulté le 13 septembre 2014)
