Cayce, Hugh Lynn. Venture inward. - [1st ed.] - New York Harper & Row [1964] - xxiv, 227 p. 22 cm. Includes bibliographies. LCCN: 64010284 Subjects--Personal Names: Cayce, Edgar 1877-1945. LC Class. No.: BF1027.C3 / C3 Dewey Class. No.: 133