1To Thomas Jefferson from Washington Boyd, 7 May 1805 (Jefferson Papers)
...dollars for License to use a Charriot in Washington City from the 1st. of July 1804 to...
2To Thomas Jefferson from Washington Boyd, 20 February 1806 (Jefferson Papers)
...the President to use private Cariages in Washington City untill the first day of August. 1805...
3To Thomas Jefferson from Washington Boyd, 6 November 1806 (Jefferson Papers)
...two dollars for licence to use in Washington City. one Charriot, two Phaetons and one...
4To James Madison from Washington Boyd, 31 May 1808 (Madison Papers)
Washington City, Treasurer’s Office,