1Gerardus Vrolik to Thomas Jefferson, 10 May 1809 (Jefferson Papers)
The Netherlands; Bonaparte, Louis (king) [index entry]
2Barthélemy Faujas de Saint-Fond to Thomas Jefferson, [ca. November 1809] (Jefferson Papers)
The Netherlands; Bonaparte, Louis (king) [index entry]
3Thomas Jefferson to Gerardus Vrolik, 2 May 1810 (Jefferson Papers)
The Netherlands; Bonaparte, Louis (king) [index entry]
4Francis Adrian Van der Kemp to Thomas Jefferson, 12 October 1817 (Jefferson Papers)
The Netherlands; Bonaparte, Louis (king) [index entry]
5Gerard Troost to Thomas Jefferson, 21 July 1818 (Jefferson Papers)
The Netherlands; Bonaparte, Louis (king) [index entry]