James Madison, Gaillard Hunt, James Brown Scott (1999). “The Debates in the Federal Convention of 1787: Which Framed the Constitution of the United States of America”, p.690, The Lawbook Exchange, Ltd.
"Santorum's Health Care Stall Tactic: 'Offer Literally Thousands of Amendments' to Keep Senate in Session for Months". www.mediamatters.org. February 27, 2010.