- Montesquieu, Charles de Secondat, baron de, 1689-1755 (3)
- Strong, Charles Frederick, 1890- (3)
- Cassirer, Ernst, 1874-1945 (2)
- Habermas, Jürgen, 1929- (2)
- Held, David, 1951- (2)
- Albrecht, Stephan (1)
- Batscha, Zwi, 1922- (1)
- Boucher, David (1)
- Browning, Oscar, 1837-1923 (1)
- Carrithers, David Wallace (1)
- Collingwood, R. G. (Robin George), 1889-1943 (1)
- Cronin, Ciaran (1)
- De Greiff, Pablo (1)
- Dewey, John, 1859-1952 (1)
- Fichte, Johann Gottlieb, 1762-1814 (1)
- Iyer, Raghavan Narasimhan (1)
- Lanson, Gustave, 1857-1934 (1)
- Laski, Harold Joseph, 1893-1950 (1)
- MacIver, Robert M. (Robert Morrison), 1882-1970 (1)
- Neumann, Franz L. (Franz Leopold), 1900-1954 (1)
- Nugent, Thomas, 1700?-1772 (1)
- Raphael, D. D. (David Daiches), 1916- (1)
- Saage, Richard, 1941- (1)
- Therborn, Göran, 1941- (1)
- Wilson, Woodrow, 1856-1924 (1)
- Zippelius, Reinhold, 1928- (1)