Pitcher, George. The philosophy of Wittgenstein / George Pitcher. - Englewood Cliffs, N.J. : Prentice-Hall, 1964. - xi, 340 p. ; 22 cm. Includes bibliographical references ( p. 330-334.) Subjects--Personal Names: Wittgenstein, Ludwig, 1889-1951. -------- Dewey Class. No.: 193