1Thomas Jefferson to Thomas Skidmore, 29 August 1822 (Jefferson Papers)
scientific instruments; telescopes [index entry]
2Thomas Skidmore to Thomas Jefferson, 18 August 1822 (Jefferson Papers)
scientific instruments; telescopes [index entry]
3Thomas Jefferson to Bartholomew Fuller, 17 December 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
4Thomas Jefferson to William Davenport, 4 July 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
5Bernard Peyton to Thomas Jefferson, 4 May 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
6Rodolph Schaer to Thomas Jefferson, 25 March 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
7Thomas Jefferson to William Davenport, 2 February 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
8Thomas Jefferson to Robert Patterson, 2 February 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
9Robert Patterson to Thomas Jefferson, 23 January 1819 (Jefferson Papers)
scientific instruments; telescopes [index entry]
10Thomas Jefferson to Robert Patterson, 18 October 1818 (Jefferson Papers)
scientific instruments; telescopes [index entry]