United States. President (1837-1841 : Van Buren), Martin Van Buren (1838). “Message from the President of the United States to the Two Houses of Congress: At the Commencement of the Third Session of the Twenty-fifth Congress”, p.5
Alexander Hamilton (1847). “The Federalist, on the New Constitution ... by A. Hamilton, James Madison, and John Jay. With an Appendix Containing the Letters of Pacificus (A. Hamilton) and Helvidius (J. Madison), on the Proclamation of Neutrality of 1793; the Original Articles of Confederation ... Sixth Edition, Etc”, p.278