1Peter S. Du Ponceau to Thomas Jefferson, 9 October 1820 (Jefferson Papers)
I take the liberty of introducing to you in the person of M r L. C. Vanuxem , the bearer hereof,...
2John Vaughan to Thomas Jefferson, 11 October 1820 (Jefferson Papers)
My young friend M Lardner Vanuxem accompanis accompanies M Cooper , & will also be mentioned to...
3Peter S. Du Ponceau to Thomas Jefferson, 23 March 1821 (Jefferson Papers)
I had the honor some time ago of introducing to you M r L. C. Vanuxem , a young American...
4John Vaughan to Thomas Jefferson, 24 March 1821 (Jefferson Papers)
Great pains has been taken in our City of late Years, to induce some of our Young men of good...