Columbia subject headings:
Canon law--History.
Civilization, Medieval.
Law--History.
Law--Italy--History.
Maffei, Domenico.
Roman law--History.
Harvard subject headings:
Canon law--History.
Civilization, Medieval.
Law--History
Law--Italy--History
Maffei, Domenico.
Roman law--History.
Princeton subject headings:
Canon law.
Maffei, Domenico.
Roman law.