1Thomas Jefferson to William Sampson, 2 August 1819 (Jefferson Papers)
Essay on the Necessity of Improving Our National Forces (W. T. W. Tone) [index entry]
2William Sampson to Thomas Jefferson, 13 July 1819 (Jefferson Papers)
Essay on the Necessity of Improving Our National Forces (W. T. W. Tone) [index entry]
3Thomas Jefferson to William Sampson, 30 June 1819 (Jefferson Papers)
Essay on the Necessity of Improving Our National Forces (W. T. W. Tone) [index entry]
4William Sampson to Thomas Jefferson, 10 June 1819 (Jefferson Papers)
Essay on the Necessity of Improving Our National Forces (W. T. W. Tone) [index entry]