1William Wirt to Thomas Jefferson, 10 July 1809 (Jefferson Papers)
Clarke, John (1766–1844); and silk-manufacturing project [index entry]
2Alexander McRae to Thomas Jefferson, 22 July 1809 (Jefferson Papers)
Clarke, John (1766–1844); and silk-manufacturing project [index entry]
3Alexander McRae to Thomas Jefferson, 10 August 1809 (Jefferson Papers)
Clarke, John (1766–1844); and silk-manufacturing project [index entry]
4John Clarke to Thomas Jefferson, 9 March 1813 (Jefferson Papers)
Clarke, John (1766–1844); and silk-manufacturing project [index entry]