- Nietzsche, Friedrich Wilhelm, 1844-1900 (38)
- Montinari, Mazzino, 1928- (4)
- Colli, Giorgio (3)
- Bornmann, Fritz (2)
- Carpitella, Mario (2)
- Crusius, Otto (2)
- Figl, Johann, 1945- (2)
- Bozman, M. M. (Mildred Mary), 1893-1964 (1)
- Frank, Götz, 1944- (1)
- Förster-Nietzsche, Elisabeth, 1846-1935 (1)
- Gast, Peter, 1954-1918 (1)
- Groddeck, Wolfram (1)
- Guast, René (1)
- Haase, Marie-Luise (1)
- Halévy, Daniel (1)
- Holzer, Ernst (1)
- Hödl, Hans Gerald (1)
- Kohlenbach, Michael, 1952- (1)
- Kuhn, Elisabeth (1)
- Liébert, George (1)
- Meyer, André (1)
- Nestle, Wilhelm, 1865-1959 (1)
- Pascal, Roy, 1904-1980 (1)
- Rath, Ingo W. (1)
- Tille, Alexander, 1866-1912 (1)