1James Madison to Thomas Jefferson, 11 September 1809 (Jefferson Papers)
meteorological observations; by J. Madison [index entry]
2Thomas Jefferson: Analysis of Weather Memorandum Book, January 1817 (Jefferson Papers)
meteorological observations; by J. Madison (1723–1801) [index entry]
3Thomas Jefferson to James Madison, 22 June 1817 (Jefferson Papers)
meteorological observations; by J. Madison (1723–1801) [index entry]