Columbia subject headings:
Harvard subject headings:
Middle Ages--Periodicals
Philosophy, Medieval--Periodicals.
Theology, Doctrinal--History--Middle Ages, 600-1500--Periodicals.
Princeton subject headings:
Middle Ages--History--Periodicals.
Periodicals.
Philosophy, Medieval--Periodicals.
Theology, Doctrinal--History--Middle Ages, 600-1500--Periodicals.