The Constitutionhttp://memory.loc.gov/const/const.htmlhttp://www.archives.gov/exhibit_hall/charters_of_freedom/constitution/constitution_history.htmlhttp://www.wae.com/freedom/conhist.htmlhttp://www.linecamp.com/merchants/freedom_documents/commentary_us_constitution/creating_constitution.htmlhttp://www.walika.com/sr/conhist.htm