U.S. National Archives:
Credential of Senator Sam Houston of Texas, 29th Congress, 02/21/1846
U.S. National Archives:
Credential of Senator Sam Houston of Texas, 30th Congress, 12/15/1847
U.S. National Archives:
Credential of Senator Sam Houston of Texas, 32d Congress, 02/10/1853
U.S. National Archives:
Credentials of David Crockett, 09/18/1827
U.S. National Archives:
Credentials of Hiram Rhodes Revels, 01/25/1870 (page 1 of 2)
U.S. National Archives:
Credentials of Hiram Rhodes Revels, 01/25/1870 (page 2 of 2)