Columbia subject headings:
Catholic Church--Infallibility.
Catholic Church--Teaching office.
Küng, Hans, 1928-2021.
Schoonenberg, Piet J. A. M., 1911-1999.
Harvard subject headings:
Catholic Church--Doctrines--History--20th century.
Catholic Church--Infallibility--History of doctrines--20th century.
Catholic Church--Teaching office--History of doctrines--20th century.
Küng, Hans, 1928-2021
Schoonenberg, Piet J. A. M., 1911-1999.
Princeton subject headings: