Sun Tzu
The 9/11 Commission
Various
Alexander Hamilton
Aristotle
Niccolò Machiavelli
Karl Marx
Henrietta Elizabeth Marshall
Karl Marx and Friedrich Engels
Mark Twain
Thomas Paine
Alexis de Tocqueville
Sir Thomas More
Leo Tolstoy
Jean-Jacques Rousseau
Emma Goldman
Patrick Henry
Abraham Lincoln
Founding Fathers of the United States
Thomas Hobbes
Theodore Roosevelt
William Shuler Harris
Booker T. Washington
Henry David Thoreau
Brooks Adams
G. K. Chesterton
H. G. Wells
John Locke
Sigmund Freud
Unknown
Winston S. Churchill
United States Supreme Court
Anthony Trollope
Jack London
Marcus Tullius Cicero
Goldsworthy Lowes Dickinson
Jeremy Bentham
United States Arms Control and Disarmament Agency
Thames Williamson
William Blackstone
Peter Kropotkin
Mohandas Karamchand Gandhi
The Venerable Bede
William James