| From The International Socialist Congress in Stuttgart | 02 November 1907 | V.I. Lenin |
| 1905 | 10 March 1907 | Leon Trotsky |
| Social-Democracy & Woman Suffrage | 01 January 1906 | Clara Zetkin |
| [Classics] Socialism and Religion | 16 December 1905 | V.I. Lenin |
| Lenin on May Day | 13 May 1904 | V.I. Lenin |
| May Greetings from Stuttgart | 12 May 1900 | Clara Zetkin |
| The Workers’ International Festival | 01 May 1899 | Clara Zetkin |
| Only in Conjunction With the Proletarian Woman Will Socialism Be Victorious | 16 October 1896 | Clara Zetkin |
| [Classics] The Origin of the Family, Private Property and the State | 22 May 1884 | Friedrich Engels |
