Ayer, A. J. 1910-1989, Logical positivism. - New York: Free Press, c1959. - viii, 455 p.; 22cm. - Library of philosophical movements ; FP90113 . Includes bibliography. LCCN: 58006467 Subjects--Topical Terms: Logical positivism. LC Class. No.: B824.6 / A9 1959