Butler, Robert N. Aging and mental health : positive psychosocial approaches / By Robert N. Butler and Myrna I. Lewis - 2nd ed. - St. Louis, Mo. : C. V. Mosby, 1977 - xii, 365 p. : ill. ; 25 cm. Includes bibliographical references and index ISBN: 0801609216 LCCN: 76-027684 Subjects--Topical Terms: Geriatric psychiatry