1Horatio G. Spafford to Thomas Jefferson, 23 January 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
2Horatio G. Spafford to Thomas Jefferson, 28 January 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
3Horatio G. Spafford to Thomas Jefferson, 15 February 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
4Horatio G. Spafford to Thomas Jefferson, 18 February 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
5Thomas Jefferson to Horatio G. Spafford, 21 February 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
6Thomas Jefferson to Horatio G. Spafford, 15 March 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
7Thomas Jefferson to Charles Willson Peale, 21 March 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
8Horatio G. Spafford to Thomas Jefferson, 6 April 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
9Charles Willson Peale to Thomas Jefferson, 2 May 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]
10Horatio G. Spafford to Thomas Jefferson, 4 [May] 1815 (Jefferson Papers)
carriages; H. G. Spafford’s improvement to [index entry]