Gales, Joseph, 1761-1841. Register of Debates in Congress, Comprising the Leading Debates and Incidents of the First Session of the Twenty-First Congress, book, 1830; (https://digital.library.unt.edu/ark:/67531/metadc30764/m1/1/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .