Four modern philosophers : Carnap, Wittgenstein, Heidegger, Sartre /
Næss, Arne.
Chicago ; London :   University of Chicago P.,
1968.
Includes index.
Originally published as 'Modern filosofer' Almqvist & Wiksell, 1965
Heidegger, Martin, 1889-1976.
Sartre, Jean-Paul, 1905-1980.
Wittgenstein, Ludwig, 1889-1951.
Carnap, Rudolf, 1891-1970.