- Nietzsche, Friedrich Wilhelm, 1844-1900 (3)
- Colli, Giorgio (2)
- Hegel, Georg Wilhelm Friedrich, 1770-1831 (2)
- Montinari, Mazzino, 1928- (2)
- Bonsiepen, Wolfgang (1)
- Brazill, William J. (William Joseph) (1)
- Cloeren, Hermann J., 1934- (1)
- Higgins, Kathleen Marie (1)
- Jaeschke, Walter (1)
- Koch, Oliver (1)
- Li︠u︡butin, Konstantin Nikolaevich (1)
- Lucas, Hans-Christian (1)
- Mah, Harold (1)
- Paulsen, Friedrich, 1846-1908 (1)
- Pütz, Manfred, 1938- (1)
- Rose, Paul Lawrence, 1944- (1)
- Schülein, Johannes-Georg (1)
- Singer, Peter, 1946- (1)
- Solomon, Robert C. (1)
- Tanner, Michael (1)
- Volkov, G. N. (Genrikh Nikolaevich) (1)