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