1From Alexander Hamilton to the Directors of the Society for Establishing Useful Manufactures, [12 October 1792] (Hamilton Papers)
...Mr. [Herman] Le Roy Mr. [Matthew] Clarkson & Mr. [Cornelius] Ray.” The directors’ resolution...
2Samuel Carr to Thomas Jefferson, 16 March 1811 (Jefferson Papers)
Clarkson, Mr. [index entry]
3Jeremiah A. Goodman to Thomas Jefferson, 30 December 1814 (Jefferson Papers)
Clarkson, Mr. [index entry]