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
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