Joseph C. Cabell to James Madison, 24 January 1827 [Retirement Series 4:298]
John Hartwell Cocke to James Madison, 6 February 1827 [Retirement Series 4:310]+
James Madison to Bernard Peyton, 10 March 1827 [Retirement Series 4:349]+
James Madison to Jonathan Elliot, [Post-12] November 1827 [Retirement Series 4:562]+