Columbia subject headings:
Harvard subject headings:
Eternity--Early works to 1800.
Eternity.
Plotinus. Enneads. III, 7.
Time--Philosophy--Early works to 1800.
Time--Philosophy--History.
Princeton subject headings:
Eternity--Early works to 1800.
Eternity.
Plotinus. Enneads. III, 7
Time--Philosophy--Early works to 1800.
Time--Philosophy--History.