1Thomas Jefferson to Thomas Ritchie, 6 August 1822 (Jefferson Papers)
subscriptions, for publications; newspapers [index entry]
2Thomas Jefferson to Thomas Ritchie, 14 February 1819 (Jefferson Papers)
subscriptions, for publications; newspapers [index entry]
3Thomas Jefferson to Thomas Ritchie, 7 December 1818 (Jefferson Papers)
subscriptions, for publications; newspapers [index entry]
4Thomas Jefferson to Thomas Ritchie, 22 May 1809 (Jefferson Papers)
subscriptions, for publications; newspapers [index entry]