Florence Scovel Shinn, Wallace D. Wattles, Marcus Aurelius, James Allen, William Walker Atkinson, George Samuel Clason, Russell H. Conwell, L. W. Rogers
Khalil Gibran, Napoleon Hill, George S. Clason, Benjamin Franklin, Florence Scovel Shinn, Wallace D. Wattles, James Allen, William Walker Atkinson, Russell H. Conwell, P.T. Barnum, B.F. Austin, L.W. Rogers