Costanzo, Joseph F. The historical credibility of Hans Kung an inquiry and commentary by Joseph F. Costanzo. - North Quincy, Mass. Christopher Pub. House 1979. - 383 p. 25 cm. Includes indexes. Bibliography: p. 277-283. Subjects--Personal Names: Küng, Hans, 1928- Unfehlbar? Eine Anfrage. Subjects--Corporate Names: Catholic Church--Infallibility. Subjects--Topical Terms: Popes--Infallibility.Papas--Infabilidad. Dewey Class. No.: 262/.131