1Thomas Jefferson to Martha Jefferson Randolph, 31 August 1815 (Jefferson Papers)
agriculture; and weather [index entry]
2Philadelphia Society for Promoting Agriculture to Thomas Jefferson, 13 November 1816 (Jefferson Papers)
agriculture; and weather [index entry]
3Bernard Peyton to Thomas Jefferson, 22 August 1822 (1st letter) (Jefferson Papers)
agriculture; and weather [index entry]
4Samuel R. Demaree to Thomas Jefferson, 13 February 1814 (Jefferson Papers)
agriculture; and weather [index entry]
5Elizabeth Trist to Thomas Jefferson, 10 October 1816 (Jefferson Papers)
agriculture; and weather [index entry]
6Joel Yancey to Thomas Jefferson, 29 August 1816 (Jefferson Papers)
agriculture; and weather [index entry]
7Charles Willson Peale to Thomas Jefferson, 2 May 1815 (Jefferson Papers)
agriculture; and weather [index entry]
8Thomas Jefferson to Wilson Cary Nicholas, 26 March 1818 (Jefferson Papers)
agriculture; and weather [index entry]
9Thomas Jefferson to Charles Willson Peale, 21 March 1815 (Jefferson Papers)
agriculture; and weather [index entry]
10Thomas Jefferson to Jean Baptiste Say, 2 March 1815 (Jefferson Papers)
agriculture; and weather [index entry]