| Predictions of Revolution in the Western Empire | Christiaan Cornelissen | 10/15/1920 | EN, FR |
| The peace treaty and the political situation in Europe | Christiaan Cornelissen | 07/15/1919 | EN, FR |
| The failure of the German and Hungarian revolutions. The difficulties of the Russian Revolution | Christiaan Cornelissen | 12/15/1919 | EN, FR |
| The Russian problem | Christiaan Cornelissen | 08/15/1919 | EN, FR |
| Italy's role and world peace | Christiaan Cornelissen | 09/15/1919 | EN, FR |
| China and the Japanese threat | Christiaan Cornelissen | 10/15/1919 | EN, FR |
| Ferdinand Domela Nieuwenhuis (December 31, 1846 – November 18, 1919) | Lilly Cornélissen-Rupertus | 12/15/1919 | EN, FR |
| German philosophy | Christiaan Cornelissen | 03/15/1920 | EN, FR |
| Workshop delegates, Soviets, and "Guildsmen" | Christiaan Cornelissen | 06/15/1920 | EN, FR |
| Are workshop councils “doomed”? | Christiaan Cornelissen | 07/15/1920 | EN, FR |
| The expropriation struggle of Italian metalworkers | Christiaan Cornelissen | 09/15/1920 | EN, FR |
| The downward trend – The 6% Loan | Christiaan Cornelissen | 01/15/1921 | EN |
