1Gideon Fitz to Thomas Jefferson, 1 November 1809 (Jefferson Papers)
Fitz, Gideon; letters from [index entry]
2Thomas Jefferson to Albert Gallatin, 4 November 1809 (Jefferson Papers)
Fitz, Gideon; letters from accounted for [index entry]
3Gideon Fitz to Thomas Jefferson, 10 June 1810 (Jefferson Papers)
Fitz, Gideon; letters from [index entry]
4Gideon Fitz’s Drawing of his Windmill, [ca. 10 June 1810] (Jefferson Papers)
Fitz, Gideon; letters from accounted for [index entry]
5Gideon Fitz to Thomas Jefferson, 20 June 1810 (Jefferson Papers)
Fitz, Gideon; letters from [index entry]
6Thomas Jefferson to Albert Gallatin, 20 March 1811 (Jefferson Papers)
Fitz, Gideon; letters from accounted for [index entry]
7Gideon Fitz to Thomas Jefferson, 20 March 1816 (Jefferson Papers)
Fitz, Gideon; letters from [index entry]