George Washington, United States. President (1789-1797 : Washington) (1847). “Washington's Farewell Address to the People of the United States of America: Published in September, 1796”, p.9
Benjamin Franklin (1836). “The Works of Benjamin Franklin; Containing Several Political and Historical Tracts Not Included in Any Former Edition, and Many Letters, Official and Private, Not Hitherto Published; with Notes and a Life of the Author”, p.2
George Washington, John Clement Fitzpatrick, David Maydole Matteson (1792). “The Writings of George Washington from the Original Manuscript Sources, 1745-1799”
John Adams, Abigail Adams, Thomas Jefferson (1988). “The Adams-Jefferson Letters: The Complete Correspondence Between Thomas Jefferson and Abigail and John Adams”