Haldane, J. B. S. 1892-1964. Possible worlds and other essays / by J. B. S. Haldane. - London : Chatto & Windus, 1927 [Impression 1928] - viii, 312 p. ; 18 cm. - Phoenix library. . Subjects--Topical Terms: Science.Medicine.Religion and science. Dewey Class. No.: 500 / HAP 1928