1Margaret Bayard Smith’s Account of a Visit to Monticello, [29 July–2 August 1809] (Jefferson Papers)
trees; aspen [index entry]
2Isaac A. Coles to Thomas Jefferson, 13 March 1811 (Jefferson Papers)
trees; aspen [index entry]
3Joseph Slaughter’s Survey of the Poplar Forest Curtilage, 5 December 1812 (Jefferson Papers)
trees; aspen [index entry]
4Thomas Jefferson to James Barbour, 5 March 1816 (Jefferson Papers)
trees; aspen [index entry]