Columbia subject headings:
Harvard subject headings:
Causation--Early works to 1800.
Liber de causis.
Thomas, Aquinas, Saint, 1225?-1274. Super librum de causis expositio.
Princeton subject headings:
Causation--Early works to 1800.
Liber de causis.
Thomas, Aquinas, Saint, 1225?-1274. Super librum de causis expositio.