1John Adams to Thomas Jefferson, 25 June 1813 (Jefferson Papers)
Calvin, John; mentioned [index entry]
2Augustus B. Woodward to Thomas Jefferson, 16 August 1813 (Jefferson Papers)
Calvin, John; mentioned [index entry]
3John Adams to Thomas Jefferson, 25 December 1813 (Jefferson Papers)
Calvin, John; mentioned [index entry]
4Thomas Jefferson to Benjamin Waterhouse, 19 July 1822 (Jefferson Papers)
Calvin, John; mentioned [index entry]