| Aristotle |
| p. 61 | William Angus Knight, “Philosophy of the Beautiful,” Part 1, p. 28. |
| Baumgarten, Alexander Gottlieb |
| p. 52 | Enc. Brit. 9th Ed., Vol. 1, “Aesthetics.” |
| Blackie, John Stuart |
| p. 62-63 | The Contemporary Review, Vol. 43, June, 1883, pp. 821-822. |
| Bryce, Lord James |
| p. 67-69 | Founder’s Day Book, Carnegie Institute, 1908, pp. 12-16. |
| Constable, John |
| p. 17-18 | C. R. Leslie, R. A., “Memoirs of the Life of John Constable, Esq., R. A.,” 1843, pp. 147-148. |
| p. 23-25 | C. R. Leslie, R. A., “Memoirs of the Life of John Constable, Esq., R. A.,” 1843, p. 66. |
| p. 34 | C. J. Holmes, “Constable and His Influence on Landscape Painting,” 1902, p. 131. |
| Corot, Jean-Baptiste Camille |
| p. 25 | Mrs. Schuyler Van Rensselaer, “Six Portraits,” p. 160. |
| Dürer, Albrecht |
| p. 20-21 | Wm. Angus Knight, “Philosophy of the Beautiful,” Part 1, p. 48, and Moriz Thausing, “Albert Dürer, His Life and Works,” 1882, p. 319. |
| Fabre, Jean Henri |
| p. 60-61 | J. Henri Fabre, “Bramble Bees and Others,” p. 42. |
| Froude, James Anthony |
| p. 51-52 | James Anthony Froude, “England’s Forgotten Worthies,” pub. in “Short Studies on Great Subjects,” Vol. 1, First Series, 1894, p. 360. |
| Hambidge, Jay |
| p. 58 | Jay Hambidge, “Dynamic Symmetry: The Greek Vase.” |
| Hearn, Lafcadio |
| p. 64-65 | Atlantic Monthly, Vol. 78, August, 1896, p. 224. |
| Hegel, Georg Wilhelm Friedrich |
| p. 13-15 | “The German Classics of the Nineteenth and Twentieth Centuries,” trans. by Kuno Francke and Wm. G. Howard, Vol. 7, pp. 112-113. |
| p. 15 | “Philosophy of Fine Art,” trans. by Bernard Bosanquet, p. 105. |
| Hogarth, William |
| p. 22 | William Hogarth, “Anecdotes of William Hogarth,” 1833, p. 47. |
| Homer, Winslow |
| p. 37-39 | Author’s Notebook. |
| Kant, Immanuel |
| p. 52-55 | Immanuel Kant, “Critique of Aesthetic Judgment,” trans. by James Creed Meredith, 1911, p. 181. |
| p. 62 | Immanuel Kant, “Critique of Aesthetic Judgment,” trans. by James Creed Meredith, 1911, pp. 216-217. |
| Knight, William Angus |
| p. 61-62 | Wm. Angus Knight, “Philosophy of the Beautiful,” Part 1, pp. 40-41 and page 19. |
| Kuo Hsi |
| p. 64 | Sei-ichi Taki, “Three Essays on Oriental Painting,” pp. 43-45, quoting from Kuo Hsi, “Noble Features of the Forest and Stream.” |
| La Farge, John |
| p. 42 | John La Farge, “An Artist’s Letters From Japan,” p. 141. |
| p. 65-66 | John La Farge, “An Artist’s Letters From Japan,” p. 145. |
| Lawrence, Sir Thomas |
| p. 25 | C. R. Leslie, R. A., “Memoirs of the Life of John Constable, Esq., R. A.,” 1843, p. 148. |
| Leibnitz, Baron Gottfried Wilhelm Von |
| p. 52 | Bernard Bosanquet, “A History of Aesthetics,” 1892, p. 185. |
| Leonardo da Vinci |
| p. 21 | “Leonardo da Vinci’s Notebooks,” trans. by Edward McCurdy, p. 156 and p. 160. |
| Maeterlinck, Maurice |
| p. 55-56 | Maurice Maeterlinck, “The Life of the Bee,” p. 5. |
| Mauve, Anton |
| p. 44-46 | Author’s Notebook. |
| Michelangelo Buonarotti |
| p. 19-20 | Francisco D’Ollanda, “Third Dialogue on Painting,” pub. in “Michael Angelo Buonarotti,” by Charles Holroyd, Appendix, p. 323. |
| Millet, Jean François |
| p. 25-26 | Romain Rolland, “Millet,” trans. by Clementina Black, pp. 383-385, 162, and 180. |
| Plato |
| p. 61 | Plato’s Republic, pub. in “Dialogues of Plato,” trans. by B. Jowett, Vol. 3, pp. 86-87, and Enc. Brit. 9th Ed., Vol. 1, “Aesthetics.” |
| Ranger, Henry Ward |
| p. 39-41 | Author’s Notebook. |
| Reynolds, Sir Joshua |
| p. 22-23 | Henry William Beechy, “The Literary Works of Sir Joshua Reynolds,” Vol. 1, pp. 385 and 317, and G. Clausen, “Royal Academy Lectures on Painting,” p. 137. |
| Rodin, Auguste |
| p. 46-47 | Auguste Rodin, “Art,” trans. from the French of Paul Gsell by Mrs. Romilly Fedden, pp. 30-33, and Literary Digest, June 4, 1910, p. 1127. |
| Schopenhauer, Arthur |
| p. 48-49 | “The German Classics of the Nineteenth and Twentieth Centuries,” trans. by Kuno Francke and Wm. G. Howard, Vol. 15, p. 48. |
| Segantini, Giovanni |
| p. 43-44 | Author’s Notebook. |
| Socrates |
| p. 15-16 | Enc. Brit. 9th Ed., Vol. 1, “Aesthetics.” |
| Stuart, Gilbert |
| p. 25 | George C. Mason, “The Life and Works of Gilbert Stuart,” 1894, pp. 68-69. |
| Taine, Hippolyte Adolphe |
| p. 50-51 | H. Taine, “Philosophy of Art,” trans. by Durand, 1865, pp. 41, 57, 73, and H. Taine, “Lectures on Art,” Vol. 1, 1889, pp. 163, 197, and 353. |
| Taki, Sei-ichi |
| p. 64 | Sei-ichi Taki, “Three Essays on Oriental Painting,” p. 48. |
| Thayer, Abbott Handerson |
| p. 30-32 | Carnegie Institute Catalogue, Abbott H. Thayer Exhibition, 1919, p. 9. |
| Tolstoi, L. N. |
| p. 39 | L. N. Tolstoi, “What is Art,” p. 43. |
| Whistler, James Abbott McNeill |
| p. 26-30 | Author’s Notebook, and James McNeill Whistler, “The Gentle Art of Making Enemies,” pp. 142-143, and James McNeill Whistler, “Ten O’clock,” pp. 13-14. |
| Wordsworth, William |
| p. 34 | Wm. Wordsworth, “Upon the Sight of a Beautiful Picture,” lines 12-14. |
