Leonard Leo, James Taranto, and William J. Bennett. Presidential Leadership: Rating the Best and the Worst in the White House. Simon and Schuster, June, 2004, hardcover, 304 pages, ISBN 0-7432-5433-3
Waldman, Michael, and George Stephanopoulos, My Fellow Americans: The Most Important Speeches of America's Presidents, from George Washington to George W. Bush. Sourcebooks Trade. September 2003. ISBN 1-4022-0027-7
Couch, Ernie, Presidential Trivia. Rutledge Hill Press. ngày 1 tháng 3 năm 1996. ISBN 1-55853-412-1
Lang, J. Stephen, The Complete Book of Presidential Trivia. Pelican Publishing. September 2001. ISBN 1-56554-877-9
