1Thomas Jefferson to John Barnes, 29 December 1814 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
2Horatio G. Spafford to Thomas Jefferson, 6 April 1815 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
3Thomas Jefferson to Patrick Gibson, 29 September 1815 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
4Thomas Jefferson to Pierre Samuel Du Pont de Nemours, 3 January 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
5Thomas Jefferson to James Gibbon, 6 January 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
6John F. Oliveira Fernandes to Thomas Jefferson, 27 August 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
7Thomas Jefferson to William W. Hening, 15 September 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]