George Matthew Adams, James Allen, Charles F. Haanel, Napoleon Hill, William Walker Atkinson, Marcus Aurelius, B. F Austin, P. T. Barnum, Genevieve Behrend, Dale Carnegie, Wallace D. Wattles, Florence Scovel Shinn, Sun Tzu, Lao Tzu, Benjamin Franklin, George S. Clason, Joseph Murphy, Niccolò Machiavelli, Kahlil Gibran, Elbert Hubbard, Earl Nightingale, Miyamoto Musashi, Russell H. Conwell, Charles Fillmore, Ralph Waldo Trine, F. W. Sears, Elizabeth Towne, Emmet Fox, Orison Swett Marden, H. A. Lewis, Harvey Hardman, Emile Coué & Neville Goddard
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
James Allen, Golden Deer Classics, Benjamin Franklin, Wallace D. Wattles, Napoleon Hill, Florence Scovel Shinn, Sun Tzu, Lao Tzu, Joseph Murphy & Marcus Aurelius
Dale Carnegie, Golden Deer Classics, Benjamin Franklin, Charles F. Haanel, Florence Scovel Shinn, Wallace D. Wattles, James Allen, Lao Tzu, Khalil Gibran, Orison Swett Marden, Abner Bayley, P.T. Barnum, Marcus Aurelius, Henry Thomas Hamblin, Joseph Murphy, William Crosbie Hunter, Ralph Waldo Emerson, Henry H. Brown, Russell H. Conwell, William Atkinson, B.F. Austin, H.A. Lewis, L.W. Rogers, Douglas Fairbanks, Sun Tzu & Samuel Smiles
Napoleon Hill, Dale Carnegie, Benjamin Franklin, Charles F. Haanel, Florence Scovel Shinn, Wallace D. Wattles, James Allen, Lao Tzu, Khalil Gibran, Orison Swett Marden, Abner Bayley, P.T. Barnum, Marcus Aurelius, Henry Thomas Hamblin, Joseph Murphy, William Crosbie Hunter, Ralph Waldo Emerson, Henry H. Brown, Russell H. Conwell, William Atkinson, B.F. Austin, H.A. Lewis, L.W. Rogers, Douglas Fairbanks, Sun Tzu & Samuel Smiles
Dale Carnegie, Benjamin Franklin, Charles F. Haanel, Florence Scovel Shinn, Wallace D. Wattles, James Allen, Lao Tzu, Khalil Gibran, Orison Swett Marden, Abner Bayley, P.T. Barnum, Marcus Aurelius, Henry Thomas Hamblin, Joseph Murphy, William Crosbie Hunter, Ralph Waldo Emerson, Henry H. Brown, Russell H. Conwell, William Atkinson, B.F. Austin, H.A. Lewis, L.W. Rogers, Douglas Fairbanks, Sun Tzu & Samuel Smiles
Benjamin Franklin, Florence Scovel Shinn, James Allen, Joseph Murphy, Lao Tzu, Marcus Aurelius, Napoleon Hill, Sun Tzu, Various Authors & Wallace D. Wattles
George Matthew Adams, James Allen, William Walker Atkinson, Marcus Aurelius, P.T. Barnum, Genevieve Behrend, George S. Clason, Robert Collier, Russell H. Conwell, Emile Coué, Charles Fillmore, Emmet Fox, Benjamin Franklin, Kahlil Gibran, Neville Goddard, Charles F. Haanel, Harvey Hardman, Napoleon Hill, Elbert Hubbard, William Crosbie Hunter, H.A. Lewis, Niccolò Machiavelli, Orison Swett Marden, Joseph Murphy, Miyamoto Musashi, Earl Nightingale, F.W. Sears, Florence Scovel Shinn, Elizabeth Towne, Lao Tzu, Sun Tzu, Wallace D. Wattles & Knowledge House
George Matthew Adams, James Allen, William Walker Atkinson, Marcus Aurelius, P.T. Barnum, Genevieve Behrend, George S. Clason, Robert Collier, Russell H. Conwell, Emile Coué, Charles Fillmore, Emmet Fox, Benjamin Franklin, Kahlil Gibran, Neville Goddard, Charles F. Haanel, Harvey Hardman, Napoleon Hill, Elbert Hubbard, William Crosbie Hunter, H.A. Lewis, Niccolò Machiavelli, Orison Swett Marden, Joseph Murphy, Miyamoto Musashi, Earl Nightingale, F.W. Sears, Florence Scovel Shinn, Elizabeth Towne, Lao Tzu, Sun Tzu, Wallace D. Wattles & Knowledge House
George Matthew Adams, James Allen, William Walker Atkinson, Marcus Aurelius, P.T. Barnum, Genevieve Behrend, George S. Clason, Robert Collier, Russell H. Conwell, Emile Coué, Charles Fillmore, Emmet Fox, Benjamin Franklin, Kahlil Gibran, Neville Goddard, Charles F. Haanel, Harvey Hardman, Napoleon Hill, Elbert Hubbard, William Crosbie Hunter, H.A. Lewis, Niccolò Machiavelli, Orison Swett Marden, Joseph Murphy, Miyamoto Musashi, Earl Nightingale, F.W. Sears, Florence Scovel Shinn, Elizabeth Towne, Lao Tzu, Sun Tzu & Wallace D. Wattles
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
Pope Gregory I, Dante, Saint Augustine, Martin Luther, Friedrich Nietzsche, Thomas Paine, Leo Tolstoy, Athanasius of Alexandria, Gregory of Nyssa, Basil The Great, John of Damascus, Saint Thomas Aquinas, Thomas à Kempis, St. Teresa of Avila, Brother Lawrence, David Hume, Ludwig Feuerbach, Charles Spurgeon, Andrew Murray, G. K. Chesterton, Arthur Pink, John Milton, John Bunyan, Voltaire, Lew Wallace, Henryk Sienkiewicz, Charles M. Sheldon, Henry Van Dyke, Grace Livingston Hill, Fyodor Dostoyevsky, Johann Wolfgang von Goethe, Ralph Waldo Emerson, H. Emilie Cady, James Allen, Prentice Mulford & Florence Scovel Shinn
Napoleon Hill, Charles F. Haanel, James Allen, Ralph Waldo Trine, Ernest Holmes, Florence Scovel Shinn, William Walker Atkinson, Neville Goddard, William Clement Stone, Wallace D. Wattles & Warren Lapine
Abner Bayley, B.F. Austin, Charles F. Haanel, Dale Carnegie, Douglas Fairbanks, Florence Scovel Shinn, H.A. Lewis, Henry H. Brown, Henry Thomas Hamblin, James Allen, Lao Tzu, L.W. Rogers, Orison Swett Marden, P.T. Barnum, Ralph Waldo Emerson, Russell H. Conwell, Samuel Smiles, Sun Tzu, Various Authors, Wallace D. Wattles, William Atkinson & William Crosbie Hunter