11Thomas Jefferson to Edmund Bacon, 28 July 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
12Thomas Jefferson to Chapman Johnson, 4 July 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
13Thomas Jefferson to Chapman Johnson, 26 June 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
14Thomas Cooper to Thomas Jefferson, 7 December 1817 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
15Thomas Jefferson to Thomas Cooper, 25 November 1817 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
16Thomas Jefferson to Thomas Cooper, 10 October 1817 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
17Thomas Jefferson to William W. Hening, 15 September 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
18John F. Oliveira Fernandes to Thomas Jefferson, 27 August 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
19Thomas Jefferson to James Gibbon, 6 January 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
20Thomas Jefferson to Pierre Samuel Du Pont de Nemours, 3 January 1816 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]