Columbia subject headings:
Harvard subject headings:
Carlini, Armando, 1878-1959.
Gentile, Giovanni, 1875-1944.
Philosophy and religion--Italy--History--20th century.
Philosophy, Italian--20th century.
Spirito, Ugo, 1896-1979
Princeton subject headings:
Carlini, Armando, 1878-1959.
Gentile, Giovanni, 1875-1944.
Philosophy and religion--Italy--History--20th century.
Philosophy, Italian--20th century.
Spirito, Ugo, 1896-