Columbia subject headings:
Christian ethics.
Conscience--Religious aspects--History of doctrines--Middle Ages, 600-1500.
Theological anthropology--Christianity--History of doctrines--Middle Ages, 600-1500.
Thomas, Aquinas, Saint, 1225?-1274.
Harvard subject headings:
Princeton subject headings:
Conscience.
Thomas, Aquinas, Saint, 1225?-1274.