21John Laval to Thomas Jefferson, 10 June 1822 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
22Thomas Jefferson to Samuel Smith (of Maryland), 10 June 1822 (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]
23Thomas Jefferson to John Laval, [20 June 1822] (Jefferson Papers)
Post Office, U.S.; and mail service [index entry]