1Thomas Jefferson to Francis Adrian Van der Kemp, 25 December 1817 (Jefferson Papers)
Th: Jefferson asks the favor of M r Vanderkemp to make his thanks acceptable, if occasion should...
2Thomas Jefferson to Francis Adrian Van der Kemp, 9 February 1818 (Jefferson Papers)
Your favor of Jan. 7. has been some time at hand. age, which lethargises all our movements, makes...