Heywood, Rosalind. The sixth sense: an inquiry into extra-sensory perception. - London, Chatto & Windus, 1959. - 223 p. illus. 23 cm. Includes bibliographical references and index. Nat. Bib. No.: GB59-6114 Subjects--Topical Terms: Extrasensory perception. Dewey Class. No.: 152.1 HEY