Columbia subject headings:
Civilization--Philosophy.
Degeneration.
History--Philosophy.
Rome--History--Empire, 284-476.
Harvard subject headings:
Civilization--Philosophy
Degeneration.
History--Philosophy
Rome--History--Empire, 284-476.
Princeton subject headings:
Civilization--Philosophy.
Degeneration.
History--Philosophy.
Rome--History--Empire, 284-476.