Columbia subject headings:
Harvard subject headings:
Bartolo, of Sassoferrato, 1313-1357.
Marsilius, of Padua, -1342?
Political science--Early works to 1800
Thomas, Aquinas, Saint, 1225?-1274
Princeton subject headings:
Bartolo, of Sassoferrato, 1313-1357.
Marsilius, of Padua, -1342?.
Political science--Early works to 1800.
Thomas, Aquinas, Saint, 1225?-1274.