Sen. Arlen Specter, Charles Robbins (2012). “Life Among the Cannibals: A Political Career, a Tea Party Uprising, and the End of Governing As We Know It”, p.241, Macmillan
Sen. Arlen Specter, Charles Robbins (2012). “Life Among the Cannibals: A Political Career, a Tea Party Uprising, and the End of Governing As We Know It”, p.257, Macmillan