MEDIA Show Media Credit: Library of CongressOriginal Author: Thomas JeffersonCreated: June 22, 1806Medium: LetterLetter from Thomas Jefferson to William DuVal (June 22, 1806)Letter from Thomas Jefferson to William DuVal, June 22, 1806. The Thomas Jefferson Papers Series 1, General Correspondence, 1651–1827, Library of Congress, accessed August 12, 2014.FEATURED INLetter from Thomas Jefferson to William DuVal (June 22, 1806)