Bogen, James Wittgenstein's philosophy of language some aspects of its development. - London Routledge & K. Paul 1972 - 12, 244 p. illus. 23 cm. - International library of philosophy and scientific method . Bibliography: p. 239-242. ISBN: 0710072643 LCCN: 75-190090 Subjects--Personal Names: Wittgenstein, Ludwig, 1889--1951 Subjects--Topical Terms: Languages--Philosophy