1Thomas Jefferson to Joseph Echols, 23 May 1822 (Jefferson Papers)
books; on natural philosophy [index entry]
2Thomas Jefferson to Francis Eppes, 9 April 1822 (Jefferson Papers)
books; on natural philosophy [index entry]
3Enclosure: Thomas Jefferson’s List of Recommended Books for Female Education, [ca. 14 March 1818] (Jefferson Papers)
books; on natural philosophy [index entry]
4Enclosure: Thomas Jefferson’s Account with Joseph Milligan, [ca. 6 February 1818] (Jefferson Papers)
books; on natural philosophy [index entry]
5Thomas Jefferson to Joseph Milligan, 31 October 1817 (Jefferson Papers)
books; on natural philosophy [index entry]
6Nicolas G. Dufief to Thomas Jefferson, 30 January 1817 (Jefferson Papers)
books; on natural philosophy [index entry]
7Nicolas G. Dufief to Thomas Jefferson, 30 January 1817 (Jefferson Papers)
books; on natural philosophy [index entry]
8John F. Watson to Thomas Jefferson, [ca. 22 October 1816] (Jefferson Papers)
books; on natural philosophy [index entry]
9Enclosure: Thomas Jefferson’s List of Recommended Books, [ca. 4 October 1809] (Jefferson Papers)
books; on natural philosophy [index entry]
10To Thomas Jefferson from Charles Smith, 20 October 1804 (Jefferson Papers)
...German works, including Burkhard’s book on natural philosophy, which the Society of...