- Descartes, René, 1596-1650 (7)
- Nicholas, of Cusa, Cardinal, 1401-1464 (5)
- Bormann, Karl, 1928- (2)
- Bohnenstädt, Elisabeth (1)
- Decker, Bruno (1)
- Glare, P. G. W. (1)
- Happ, Winfried, 1954- (1)
- Hoffmann, Ernst (1)
- Hoffmeister, Johannes (1)
- Koch, Josef (1)
- Wilpert, Paul, 1906-1967 (1)