| title | author | bookcover |
|---|---|---|
| Causation and the types of Necessity | Curt John Ducasse |  |
| title | author | editor | publisher | year | bookcover | |
|---|---|---|---|---|---|---|
| Philosophes - Malebranche | Malebranche | Exposé de sa Philosophie par Pierre Ducassé | Presses Universitaires de France - Paris | 1947 |  |  |