Here is a very brief list of websites providing information on the origins of the U.S. Constitution. We hope it will stimulate further research.

National/Historic Flags of the United States:
http://www.law.ou.edu/hist/flags/fedflag.shtml#revolution

University of Oklahoma, College of Law: A Chronology of U.S. Historical Documents;
http://www.law.ou.edu/hist

Examples of the Declaration of Independence, Constitution and Bill of Rights:
http://www.archives.gov/exhibit_hall/charters_of_freedom/declaration/declaration.html

United States Constitution:
http://www.house.gov/Constitution/Constitution.html

Articles of Confederation:
http://www.ku.edu/carrie/docs/texts/confeder.htm

United States Presidents, including those before George Washington:
http://dijon.best.vwh.net/americana/presidents/

The Iroquois Constitution:
http://www.law.ou.edu/hist/iroquois.html

Great Law of Peace:
http://www.sixnations.org/Great_Law_of_Peace

Haudenosaunee – People Building a Longhouse:
http://www.sixnations.org

Portland State University Graduate School of Education course:
Iroquois Confederacy and U.S. Constitution;
http://www.iroquoisdemocracy.pdx.edu

The Seneca, Sixth Nation to sign the Great Law of Peace, did so on August 31, 1142.
http://www.ratical.org/many_worlds/6Nations/DatingIC.html

An article on a commemoration, ten years ago.
http://nativenet.uthscsa.edu/archive/nl/9206/0002.html

other Iroquois/Haudenosaunee weblinks and resources:
http://members.aol.com/graydeer/iroquois_tradition.htm