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
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
Robert Collier, Neville Goddard, Edward E. Beals, Ernest Shurtleff Holmes, Joel Goldsmith, Ralph Waldo Trine, Florence Scovel Shinn, Theron Q. Dumont, James Allen & Warren Lapine
Robert Collier, Neville Goddard, William Walker Atkinson, Prentice Mulford, Catherine Ponder, Theron Q. Dumont, Napoleon Hill, Ralph Waldo Trine, Wallace D. Wattles, Florence Scovel Shinn & Warren Lapine
Napoleon Hill, Wallace D. Wattles, Charles F. Haanel, Ralph Waldo Trine, Florence Scovel Shinn, James Allen, William Walker Atkinson, Theron Q. Dumont, Neville Goddard, Ernest Shurtleff Holmes, William Clement Stone, Prentice Mulford, Catherine Ponder & Robert Collier
