BARKER, S.F.Philosophy of mathematics.Englewood Cliffs, Prentice-Hall, 1964.
(XIV) 111 pp. Paperback. (FPS) *cover slightly and verso cover discoloured, otherwise in good condition*
(XIV) 111 pp. Paperback. Illuzstrea
(XIV) 111 pp. Paperback. Illustrations. (FPS) *verso frontcover browned, otherwise good condition*