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