- Wittgenstein, Ludwig, 1889-1951 (29)
- Rhees, Rush (7)
- Nedo, Michael (6)
- Wright, G. H. von (Georg Henrik), 1916- (5)
- Anscombe, G. E. M. (Gertrude Elizabeth Margaret), 1919- (3)
- McGuinness, Brian (3)
- Nyman, Heikki (3)
- Waismann, Friedrich (2)
- Anscombe, G. E. M. (Gertrude Elizabeth Margaret) (1)
- Kenny, Anthony John Patrick (1)
- Klagge, James C., 1954- (1)
- Nordmann, Alfred, 1956- (1)
- Nyberg, T. (1)
- Pears, D. F. (1)
- Pichler, Alois, 1966- (1)
- Schulte, Joachim (1)
- Winch, Peter, 1926- (1)
- Wright, G. H. (1)