- Kant, Immanuel, 1724-1804 (9)
- Vorländer, Karl, 1860-1928 (3)
- Buek, Otto (1)
- Cohen, Hermann, 1842-1918 (1)
- Gedan, Paul (1)
- Kirchmann, J. H. von (Julius Hermann), 1802-1884 (1)
- Nicholas, of Cusa, Cardinal, 1401-1464 (1)
- Steiger, Renate (1)
- Valentiner, Theodor, 1878- (1)