Manuscript/Mixed MaterialLetter, John Adams to Thomas Jefferson describing the cordial greeting he received from King George III as the first American minister to Great Britain, 3 June 1785.
- Date: 1785-06-03
Manuscript/Mixed MaterialThomas Jefferson's design for a plow, ca. 1794.
- Date: 1794-00-00
Manuscript/Mixed MaterialThomas Jefferson's drawing of a macaroni machine and instructions for making pasta, ca. 1787.
- Date: 1787-00-00
Manuscript/Mixed MaterialLetter, Thomas Jefferson to Benjamin Banneker expressing his belief that blacks possess talents equal to those of "other colours of men," 30 August 1791.
- Date: 1791-08-30
Manuscript/Mixed MaterialLetter, James Madison to Thomas Jefferson, partially written in cipher with translation by Jefferson, 23 May 1789.
- Date: 1789-05-23