1“A Friend to the Christian Religion” (“Goodwill”) to Thomas Jefferson, 28 April 1811 (Jefferson Papers)
2Benjamin Rush to Thomas Jefferson, 26 April 1812 (Jefferson Papers)
3Anonymous ("Goodwill") to Thomas Jefferson, 1 June 1812 (Jefferson Papers)
4Benjamin Rush to Thomas Jefferson, 15 March 1813 (Jefferson Papers)
5Thomas Jefferson to Benjamin Rush, 8 April 1813 (Jefferson Papers)