1Thomas Jefferson to Joseph Milligan, 22 December 1815 (Jefferson Papers)
Jefferson, Thomas; Books & Library; prefers Delphin edition [index entry]
2Thomas Jefferson to Joseph Milligan, 11 February 1816 (Jefferson Papers)
Jefferson, Thomas; Books & Library; prefers Delphin edition [index entry]
3Joseph Milligan to Thomas Jefferson, 6 March 1816 (Jefferson Papers)
Jefferson, Thomas; Books & Library; prefers Delphin edition [index entry]
4Thomas Jefferson to Joseph Milligan, 6 April 1816 (Jefferson Papers)
Jefferson, Thomas; Books & Library; prefers Delphin edition [index entry]