1Benjamin Rush to Thomas Jefferson, 26 August 1811 (Jefferson Papers)
medicine; opium [index entry]
2Thomas Jefferson’s Account with Frank Carr, [after 1 June 1816] (Jefferson Papers)
medicine; opium [index entry]
3Thomas Jefferson to Samuel K. Jennings, 23 September 1815 (Jefferson Papers)
medicine; opium [index entry]
4John Adams to Thomas Jefferson, 13 February 1819 (Jefferson Papers)
medicine; opium [index entry]