- Habermas, Jürgen, 1929- (2)
- Spencer, Herbert, 1820-1903 (2)
- Acquaviva, Sabino S. (1)
- Briechle, Ralf U (1)
- Böhm, Thomas (1)
- Eisermann, Gottfried (1)
- Eisler, Rudolf, 1873-1926 (1)
- Fiedler, Frank (1)
- Freyer, Hans, 1887-1969 (1)
- Fürstenberg, Friedrich (1)
- Gilen, Leonhard (1)
- Jäger, Peter (1)
- Kazda, Josef (1)
- List, Elisabeth, 1946- (1)
- Maus, Heinz (1)
- Müller-Lyer, B. (1)
- Müller-Lyer, Franz Carl, 1857-1916 (1)
- Oppenheim, Paul (1)
- Popitz, Heinrich, 1925- (1)
- Scheler, Max, 1874-1928 (1)
- Schütz, Alfred (1)
- Simmel, Georg, 1858-1918 (1)
- Srubar, Ilja (1)
- Theunissen, Michael, 1932- (1)
- Topitsch, Ernst, 1919- (1)
- Tönnies, Ferdinand, 1855-1936 (1)
- Ude, Johannes (1)
- Wachtler, Günther (1)
- Ward, Lester F. (1)
- Winckelmann, Johannes (1)
- Üner, Elfriede (1)
- no value (1)