Seligman, Martin E.P. Helplessness : on depression, development, and death / Martin E. P. Seligman. - San Francisco : W. H. Freeman, 1975 - xv, 250 p. ; 24 cm. - A Series of books in psychology. . - A Series of books in psychology. . Includes indexes. Bibliography: p. 206-235. ISBN: 0716707519 Subjects--Topical Terms: Depression, Mental.Helplessness (Psychology) LC Class. No.: BF575.H4 / S44 1975