Koestenbaum, Peter, 1928-. Managing anxiety : the power of knowing who you are / by Peter Koestenbaum. - Englewood Cliffs, N. J. : Prentice Hall, 1974. - vi, 183 p. : ill. ; 21 cm. Includes bibliographical references. ISBN: 0135503507 LCCN: 74-008555 //r87 Subjects--Topical Terms: Anxiety.Consciousness.