1William Lambert to Thomas Jefferson, 4 September 1809 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]
2William Lambert to Thomas Jefferson, 19 May 1810 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]
3William Lambert to Thomas Jefferson, 22 November 1811 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]
4Thomas Jefferson to William Lambert, 29 December 1811 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]
5Thomas Jefferson to Bishop James Madison, 29 December 1811 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]
6William Lambert to Thomas Jefferson, 9 January 1812 (Jefferson Papers)
Madison, James, Bishop; and W. Lambert’s astronomical calculations [index entry]