1John F. Dumoulin to Thomas Jefferson, 12 April 1816 (Jefferson Papers)
naturalization; J. F. Dumoulin on [index entry]
2Thomas Jefferson to John F. Dumoulin, 7 May 1816 (Jefferson Papers)
naturalization; J. F. Dumoulin on [index entry]
3John F. Dumoulin to Thomas Jefferson, 31 May 1816 (Jefferson Papers)
naturalization; J. F. Dumoulin on [index entry]