1. Founders Online. National Archives Washington D.C.
2. Pennsylvania Abolition Society Papers. Historical Society of Pennsylvania Philadelphia Pennsylvania (PAS).
3. Quaker & Special Collections. Haverford College Library Haverford Pennsylvania (HCL).
4. Annals of Congress. 5th Congress 3rd Session.
5. Basker, James G. ed. American Antislavery Writings: Colonial Beginnings to Emancipation. New York: Library of America, 2012.