11Thomas Jefferson to Chapman Johnson, 26 June 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 Edmund Bacon, 28 July 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
14Thomas Jefferson to Arthur S. Brockenbrough, 29 July 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
15Thomas Jefferson to Edmund Bacon, 11 August 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
16Thomas Jefferson to John Binns, 31 August 1819 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
17Thomas Jefferson to David Gelston, 4 February 1820 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
18Frederick A. Mayo to Thomas Jefferson, 5 May 1821 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
19Thomas Jefferson to James W. Wallace, 23 February 1822 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
20Thomas Jefferson to John Laval, 6 June 1822 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]