London, Perry. The modes and morals of psychotherapy / Perry London. - 2nd ed. - Washington, DC : Hemisphere Pub. Corp, 1986. - xvii, 179 p. ; 24 cm. - The series in clinical index . Includes bibliography and index. Open access. ISBN: 0891162909 LCCN: 8429769 Subjects--Topical Terms: Psychotherapy--Moral and ethical aspects.