| Acton, Lord |
| Arnold, Matthew |
| Asch, Scholem |
| Babson, Roger |
| Bacon, Francis |
| Baillie, John |
| Banfield, Edward C. |
| Barclay, William |
| Barrett, Lincoln |
| Barrie, James |
| Barth, Karl |
| Barton, Bruce |
| Beach, Waldo |
| Beard, Charles |
| Benet, Stephen Vincent |
| Bennett, John Coleman |
| Black, Hugh |
| Blake, William |
| Bloom, Allen |
| Bonhoeffer, Dietrich |
| Bonnell, John Southerland |
| Bowie, Walter Russell |
| Bradford, Roark |
| Bright, John |
| Brooks, Phillips |
| Brown, Robert McAfee |
| Browning, Robert |
| Brunner, Emil |
| Buck, Pearl |
| Bunyan, John |
| Buttrick, George |
| Byron, Lord |
| Calvin, John |
| Carlyle, Thomas |
| Cavert, Walter Dudley |
| Chamberlain, John |
| Chambers, Thomas |
| Chardin, Tielhard de |
| Cheney, Elizabeth |
| Chesterton, G. K. |
| Chrysostom, John |
| Church, Leslie |
| Churchill, Winston |
| Coffin, William Sloan |
| Commenius |
| Cousins, Norman |
| Cox, Harvey |
| Crane, William |
| Dante Alighieri |
| Davidman, Joy |
| Dawson, W. J. |
| Dick, R. L. |
| Dickens, Charles |
| Dietrich, Suzanne de |
| Docherty, George |
| Dodd, C. H. |
| Douglass, Lloyd |
| Drummond, Henry |
| Dunant, Henri |
| Elliott, T. S. |
| Ellis, William T. |
| Ellul, Jacques |
| Engels, Frederich |
| Fey, Harold E. |
| Forsythe, P. T. |
| Fosdick, Harry Emerson |
| Frankl, Viktor |
| Frost, Robert |
| Froude, James Anthony |
| Gabler, Ernest |
| Gordon, Arthur |
| Gordon, Crowther |
| Gordon, Earnest |
| Gossip, Arthur John |
| Goudge, Elizabeth |
| Greene, Graham |
| Hammarskjold, Dag |
| Hazlitt, William |
| Hegel, Georg Wilhelm Friedrich |
| Holbrook, Stewart |
| Horton, R. F. |
| Horton, Walter Marshall |
| Hugo, Victor |
| Hutchison, John |
| Inge, Dean |
| James, William |
| Jones, E. Stanley |
| Jones, J. D. |
| Jones, K. S. |
| Jones, Rufus |
| Jung, Gustave Carl |
| Kennedy, Gerald |
| Kennedy, Studdert |
| Kierkegaard, Soren |
| Kipling, Rudyard |
| Knox, John |
| Kraeling, Emil |
| Krumm, John |
| Lacy, Ben R. |
| Latourette, Kenneth Scott |
| Llewellyn, Richard |
| Lewis, C. S. |
| Lindsay, Thomas M. |
| Lingle, Walter |
| Lippman, Walter |
| Livingston, David |
| Love, Julian Price |
| Luccock, Halford |
| Luther, Martin |
| Lytton, Bulwer |
| Mackay, John |
| Maclaren, Ian |
| MacLauren, Alexander |
| MacLeish, Archibald |
| Macneile, Dixon |
| Maiterlinck |
| Martin, Malichi |
| Martyr, Justin |
| Marx, Karl |
| Marx, Karl & Frederich Engels |
| McDonald, George |
| McGinley, Phyllis |
| Melton, Juliun |
| Menninger, Karl |
| Miller, John Homer |
| Milton, John |
| Mitchell, Margaret |
| Moffatt, James |
| Moffatt, Robert |
| Montague, C.E. |
| Moody, Dwight L. |
| Moore, Thomas |
| Morehead, Alan |
| Morgan, G. Campbell |
| Neimuller, Martin |
| Nelson, John Oliver |
| Newton, Joseph Fort |
| Nichols, James Hasting |
| Nichols, John Hastings |
| Niebuhr, Reinhold |
| Noyes, Alfred |
| Otto, Rudolf |
| Ousler, Fulton |
| Parker, Joseph |
| Parker, Theodore |
| Pascal, Blaise |
| Paton, Alan |
| Peale, Norman Vincent Dr. |
| Percy, William Alexander |
| Phillips, J. B. |
| Plato |
| Powell-Baden, Robert |
| Reade, Charles |
| Reisman, David |
| Rice, Grantland |
| Richardson, C.S. |
| Robertson, A. J. |
| Robertson, Frederick W. |
| Ruskin, John |
| Sayers, Dorothy |
| Scherer, Paul |
| Schweitzer, Albert |
| Scott, E. F. |
| Shakespeare, William |
| Sherer, Paul |
| Sherrill, Lewis |
| Sime, David, |
| Smith-Kaye, Sheila |
| Sockman, Ralph |
| St. Augustine |
| Stevenson, Robert Louis |
| Steward, S. George |
| Stewart, James |
| Stiger, W. L. |
| Stuart, E. A. |
| Temple, William |
| Tennyson, Alfred |
| Terrien, Samuel |
| Thielicke, Helmut |
| Thompson, E. T. |
| Thompson, Francis |
| Tillich, Paul |
| Tofler, Alvin |
| Tournier, Paul |
| Toynbee, Arnold |
| Trollope, Anthony |
| Trueblood, Elton |
| Twain, Mark |
| Von Hugel |
| Weatherhead, Leslie |
| Wesley, John |
| West, Charles C. |
| West, Morris |
| Whitman, Walt |
| Wilder, Thornton |
| Wise, Stephen |
| Witcraft, Forest |