1John Adams to Thomas Jefferson, 3 May 1816 (Jefferson Papers)
Vassall, William; on pleasure and pain [index entry]
2John Adams to Thomas Jefferson, 3 September 1816 (Jefferson Papers)
Vassall, William; on pleasure and pain [index entry]
3Thomas Jefferson to John Adams, 1 August 1816 (Jefferson Papers)
Vassall, William; on pleasure and pain [index entry]