1William Lambert to Thomas Jefferson, 23 July 1809 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
2William Lambert to Thomas Jefferson, 4 September 1809 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
3William Lambert to Thomas Jefferson, 17 September 1809 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
4Enclosure: William Lambert’s Table for Computing the Moon’s Motion, with Examples [ca. 19 September 1809] (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
5William Lambert to Thomas Jefferson, 5 December 1809 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
6William Lambert to Thomas Jefferson, 19 April 1810 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
7William Lambert to Thomas Jefferson, 24 July 1810 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
8William Lambert to Thomas Jefferson, 14 November 1811 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
9William Lambert to Thomas Jefferson, 22 November 1811 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]
10William Lambert to Thomas Jefferson, 23 April 1812 (Jefferson Papers)
Capitol, U.S.; longitude measurement [index entry]