| No. |
Title |
Year |
| 1. |
Goethe as the Father of a New Aesthetic |
1889 |
| 2. |
Unified View of Nature and Limits of Knowledge |
1893 |
| 3. |
Goethe's view of nature according to the latest publications of the Goethe Archive |
1894 |
| 4. |
Goethe's Secret Revelation — 150 Years After His Birth |
1899 |
| 5. |
Individualism in Philosophy |
1899 |
| 6. |
Haeckel and His Opponents |
1899 |
| 7. |
Goethe Studies — Basic Ideas |
1900 |
| 8. |
Goethe Studies — Morality and Christianity |
1900 |
| 9. |
Goethe's Law in Natural Science. A Rescue |
1884 |
| 10. |
A Clear Look into the Present |
1884 |
| 11. |
Nature and Our Ideals. Letter to the poet of "Hermann": M. E. delle Grazie |
1886 |
| 12. |
Past and Current Views of German Philosophy |
1886 |
| 13. |
Johannes Volkelt. A German thinker of the present |
1887 |
| 14. |
The intellectual signature of the present |
1888 |
| 15. |
Goethe as an Aesthete |
1888 |
| 16. |
On the gain of our views of Goethe's scientific works by the publications of the Goethe-Archiv |
1891 |
| 17. |
Eduard von Hartmann. His teachings and his significance |
1891 |
| 18. |
Thoughts on the Handwritten Bequest of Goethe |
1891 |
| 19. |
Philosophy in the Present and its Prospects for the Future |
1892 |
| 20. |
On the "Fragment" on Nature |
1892 |
| 21. |
On the History of Philosophy |
1893 |
| 22. |
On the hypnotism question |
1893 |
| 23. |
Hermann Helmholtz |
1894 |
| 24. |
Wilhelm Preyer. Died July 15, 1897 |
1897 |
| 25. |
Charles Lyell. On the centenary of his birth. |
1897 |
| 26. |
Herman Grimm. On the occasion of his seventieth birthday |
1898 |
| 27. |
Beauty and Art |
1898 |
| 28. |
Count Leo Tolstoy. What is art? |
1898 |
| 29. |
On Truth and Probability of Works of Art |
1898 |
| 30. |
New Year's Observations of a Heretic |
1899 |
| 31. |
Ludwig Büchner. Died April 30, 1899. |
1899 |
| 32. |
Ernst Haeckel and the "The Riddles of the World" |
1899 |
| 33. |
Modern Worldview and Reactionary Course |
1900 |
| 34. |
The Brilliant Man |
1900 |
| 35. |
Chaos |
1900 |
| 36. |
The Battles over Haeckel's "Riddles of the World" |
1900 |
| 37. |
Bartholomew Carneri, the Ethicist of Darwinism |
1900 |
| 38. |
Modern research on the soul |
1901 |
| 39. |
Herman Grimm. Died June 16, 1901 |
1901 |
| 40. |
Dr. Richard Wahle. Brain and Consciousness. Physiological-psychological study |
1885 |
| 41. |
On Thomas Seebeck's Relationship to Goethe's Theory of Colors. |
1886 |
| 42. |
One Hundred Years Back. On the theory of colors |
1887 |
| 43. |
Ernst Melzer. Goethe's Philosophical Development. A contribution to the history of the philosophy " of our poet-heroes. |
1887 |
| 44. |
On the gain of Goethe studies by the Weimar edition in scientific relation |
1889 |
| 45. |
Eduard Grimm. On the history of the problem of knowledge |
1891 |
| 46. |
Allan Kardec. Heaven and Hell |
1891 |
| 47. |
Also a chapter on the "critique of modernity" |
1891 |
| 48. |
Adolf Steudel. The Golden ABC of Philosophy |
1891 |
| 49. |
J. R. Minde. On Hypnotism |
1891 |
| 50. |
Wilhelm Schölermann. Freilicht! A plein-air study |
1892 |
| 51. |
Franz Brentano. The Genius |
1892 |
| 52. |
Karl Bleibtreu. Last Truths |
1892 |
| 53. |
Against Materialism |
1892 |
| 54. |
Existence as Pleasure, Suffering and Love |
1892 |
| 55. |
Weimar Goethe Edition. Report of the Editors and Publishers |
1893 |
| 56. |
J. G. Vogt. The Unfreedom of the Will |
1893 |
| 57. |
Dr. R. v. Koeber. The Question of Life |
1893 |
| 58. |
Franz Brentano. On the Future of Philosophy |
1893 |
| 59. |
Journal of Philosophy and Philosophical Criticism |
1893 |
| 60. |
Dr. Leopold Drucker. Suggestion and its forensic significance. |
1893 |
| 61. |
Julius Duboc. Outline of a Unified Theory of Drives from the Standpoint of Determinism. |
1893 |
| 62. |
Goethe's Relations with the Assembly of German Naturalists and Physicians in Berlin in 1828 |
1895 |
| 63. |
Modern Criticism |
1897 |
| 64. |
Anton von Werner |
1897 |
| 65. |
Jacob Burckhardt. Died Aug 8, 1897 . |
1897 |
| 66. |
Viktor Meyer |
1897 |
| 67. |
Darwinism and the Present |
1897 |
| 68. |
Rudolf Heidenhain. Died October 13, 1897 |
1897 |
| 69. |
Ferdinand Cohn on the occasion of his 50th doctoral anniversary |
1897 |
| 70. |
Karl Frenzel. On his seventieth birthday |
1897 |
| 71. |
Hans Busse. Graphology and forensic handwriting examinations |
1898 |
| 72. |
A new theory of geothermal energy |
1898 |
| 73. |
Arthur Adler. The Psychology of the Examiner |
1898 |
| 74. |
Emile Rigolage. La Sociologie par Auguste Comte |
1898 |
| 75. |
The Theater of Natural Spectacles |
1898 |
| 76. |
M. Lazarus. The Life of the Soul |
1898 |
| 77. |
Karl Jentsch. Social Selection |
1898 |
| 78. |
The admission of women to medical studies |
1898 |
| 79. |
The erection of naturalist busts on the Potsdam Bridge |
1898 |
| 80. |
Kunstlerbildung |
1898 |
| 81. |
The Seventieth Assembly of German Naturalists and Physicians |
1898 |
| 82. |
Prize assignment of the Berlin Academy of Sciences on "Leibniz |
1898 |
| 83. |
"Huxley Lecture" by Virchow in London |
1898 |
| 84. |
C. A. Friedrich. The World View of a Modern Christian |
1898 |
| 85. |
Robert Zimmermann. Died September 1, 1898 |
1898 |
| 86. |
Ernst Haeckel. The Art Forms of Nature |
1899 |
| 87. |
Paul Nikolaus Cossmann. Elements of Empirical Teleology |
1899 |
| 88. |
Dr. Heinrich v. Schoeler. Critique of Scientific Knowledge |
1900 |
| 89. |
The Bressa Prize |
1900 |
| 90. |
Goethe and Medicine |
1901 |
