| nombre | tipo de medio | fecha | Autor | Idioma | tipo | Ubicación narrativa | Título |
|---|---|---|---|---|---|---|---|
| Jean Jaurès: Socialist und Staatsman | 1918 | Max Beer | |||||
| The Pioneers of Land Reform: Thomas Spence, William Ogilvie, Thomas Paine | 1920 | Max Beer | |||||
| The Life and Teaching of Karl Marx | 1921 | Max Beer | |||||
| Social Struggles in Antiquity | 1922 | Max Beer | |||||
| Social Struggles in the Middle Ages | 1924 | Max Beer |