Columbia subject headings:
Harvard subject headings:
Croce, Benedetto, 1866-1952
Gentile, Giovanni, 1875-1944.
Idealism.
Maturi, Sebastiano, 1843-1917.
Philosophy, Italian--19th century.
Princeton subject headings:
Croce, Benedetto, 1866-1952.
Gentile, Giovanni, 1875-1944.
Idealism, Italian--History.
Maturi, Sebastiano, 1843-1917.
Philosophy, Modern--History.