- Andler, Charles, 1866-1933 (3)
- Waelhens, Alphonse de (3)
- Althusser, Louis, 1918-1990 (1)
- Fink, Eugen (1)
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- Hildenbrand, Hans (1)
- Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716 (1)
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- Piguet, J.-Claude (Jean-Claude), 1924- (1)
- Schérer, René (1)
- Wahl, Jean André, 1888-1974 (1)