Boyd, Julian P. The Declaration of Independence: The Evolution of the Text. Originally published 1945. Revised edition edited by Gerard W. Gawalt. University Press of New England, 1999. ISBN 0-8444-0980-4.
Burnett, Edward Cody. The Continental Congress. New York: Norton, 1941.
Hogeland, William. Declaration: The Nine Tumultuous Weeks When America Became Independent, May 1-July 4, 1776. New York: Simon & Schuster, 2010. ISBN 1-4165-8409-9; ISBN 978-1-4165-8409-4.