1Joseph E. McIlhenney to Thomas Jefferson, 21 December [1816] (Jefferson Papers)
Logan, Mr. (of Staunton); as watchmaker [index entry]
2Thomas Jefferson to Charles Willson Peale, 24 December 1816 (Jefferson Papers)
Logan, Mr. (of Staunton); as watchmaker [index entry]
3James Leitch to Thomas Jefferson, 17 January 1817 (Jefferson Papers)
Logan, Mr. (of Staunton); as watchmaker [index entry]
4Thomas Jefferson to Mr. Logan (of Staunton), 17 February 1817 (Jefferson Papers)
Logan, Mr. (of Staunton); as watchmaker [index entry]