Freethought
The intellectual lineage Ingersoll claimed, Paine, Voltaire, Hume, Bruno, and his case for reason against orthodoxy.
| Work | Volume | Year |
|---|---|---|
| Humboldt The Universe is Governed by Law | Vol. 1 | 1869 |
| Thomas Paine With His Name Left Out, the History of Liberty Cannot be Written | Vol. 1 | 1870 |
| A Vindication of Thomas Paine Reply to the New York Observer. | Vol. 5 | 1877 |
| Prof. Van Buren Denslow's "Modern Thinkers" Introduction to Denslow's biographical study of Swedenborg, Adam Smith, Bentham, Paine, Fourier, Comte, Haeckel, and Spencer. | Vol. 12 | 1880 |
| The Great Infidels The Infidels of one age have been the aureoled saints of the next. | Vol. 3 | 1881 |
| The Brooklyn Divines Replies to clergy interviewed by the Brooklyn Union. | Vol. 7 | 1883 |
| How to Edit a Liberal Paper Essay. | Vol. 11 | 1884 |
| The Field–Ingersoll Discussion Faith or Agnosticism. | Vol. 6 | 1887 |
| The Limitations of Toleration Debate before the Nineteenth Century Club, New York, 1888. | Vol. 7 | 1888 |
| Huxley and Agnosticism On Thomas Henry Huxley and the coinage of the word. | Vol. 11 | 1889 |
| A Tribute to Horace Seaver Memorial tribute to the editor of the Boston Investigator. | Vol. 12 | 1889 |
| The Agnostic Christmas On keeping Christmas without the supernatural. | Vol. 11 | 1892 |
| Thomas Paine (Magazine Article) A magazine article. | Vol. 11 | 1892 |
| What Infidels Have Done On the infidels' share in the world's progress. | Vol. 11 | 1892 |
| Voltaire The infidels of one age have often been the aureoled saints of the next. | Vol. 3 | 1894 |
| Why I Am an Agnostic For the most part we inherit our opinions. | Vol. 4 | 1896 |