| 130 | | Controversy on Christianity. Ingersoll and Gladstone. | | 43 | | Marriage and Divorce. Horace Greeley and Robert Owen. | | 208 | | Debate on Birth Control. Mrs. Sanger and Winter Russell. | | 129 | | Rome or Reason. Ingersoll and Manning. | | 122 | | Spiritualism. Conan Doyle and McCabe. | | 171 | | Has Life Any Meaning? Frank Harris and Percy Ward. | | 206 | | Capitalism vs. Socialism. Seligman and Nearing. | | 234 | | McNeal-Sinclair Debate on Socialism. |
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