Guttchen, Robert S., 1926-1971. Felix Adler [electronic resource] / [by] Robert S. Guttchen.. — New York, : Twayne Publishers, [1974]. — 293 p. : port. 21 cm. - Twayne's world leaders series. Bibliography: p. 283-289. ISBN: 0805736506 9780805736502 LCCN: 73015952 Subjects--Personal Names: Adler, Felix, 1851-1933. LC Class. No.: BJ354.A343 / G87 1974 Dewey Class. No.: 370.1/092/4 B