Columbia subject headings:
Canon law--History--Periodicals.
Civilization, Classical--Periodicals.
Civilization, Medieval--Periodicals.
Middle Ages--Periodicals.
Philosophy, Ancient--Periodicals.
Philosophy, Medieval--Periodicals.
Theology--History--Middle Ages, 600-1500--Periodicals.
Harvard subject headings:
Canon law--History--Periodicals.
Civilization, Classical--Periodicals
Civilization, Medieval--Periodicals
Middle Ages--Periodicals
Philosophy, Ancient--Periodicals.
Philosophy, Medieval--Periodicals
Theology--History--Middle Ages, 600-1500--Periodicals.
Princeton subject headings:
Civilization, Medieval--Periodicals.
Middle Ages--History--Periodicals.
Periodicals.
Philosophy, Medieval--Periodicals.
Theology--History--Middle Ages, 600-1500--Periodicals.