Wallace D. Wattles, Napoleon Hill, James Allen, P. T. Barnum, Benjamin Franklin, Charles F. Haanel, Robert Collier, Florence Scovel Shinn, Elbert Hubbard, Russell H. Conwell, Charles Fillmore, Ralph Waldo Trine, William Walker Atkinson, F. W. Sears, Orson Swett Marden, Emmett Fox, Lao Tzu, Sun Tzu, Kahlil Gibran, Neville Goddard, Niccolò Machiavelli, Joseph Murphy & Miyamoto Musashi
P. T. Barnum, Benjamin Franklin, Wallace D. Wattles, William Walker Atkinson, Orison Swett Marden, James Allen, Russell Conwell, Henry Harrison Brown, Thorstein Veblen, Emile Coué, Kahlil Gibran, Marcus Aurelius, Niccolò Machiavelli & Lao Tzu
Napoleon Hill, Genevieve Behrend, Elizabeth Towne, Prentice Mulford, William Walker Atkinson, Earnest Holmes, Wallace D. Wattles, James Allen, Ralph Waldo Trine, Orison Swett Marden, Thomas Troward, Joseph Murphy, Charles F. Haanel, Robert Collier, Theron Q. Dumont & Warren Lapine
George Matthew Adams, James Allen, Charles F. Haanel, Napoleon Hill, William Walker Atkinson, Marcus Aurelius, B. F Austin, P. T. Barnum, Genevieve Behrend, Dale Carnegie, Wallace D. Wattles, Florence Scovel Shinn, Sun Tzu, Lao Tzu, Benjamin Franklin, George S. Clason, Joseph Murphy, Niccolò Machiavelli, Kahlil Gibran, Elbert Hubbard, Earl Nightingale, Miyamoto Musashi, Russell H. Conwell, Charles Fillmore, Ralph Waldo Trine, F. W. Sears, Elizabeth Towne, Emmet Fox, Orison Swett Marden, H. A. Lewis, Harvey Hardman, Emile Coué & Neville Goddard
