Columbia subject headings:
Harvard subject headings:
Christianity--Philosophy--Congresses
Islamic philosophy--Congresses.
Jewish philosophy--Congresses.
Philosophy and religion--Congresses.
Philosophy, Medieval--Congresses.
Philosophy, Renaissance--Congresses
Religion--Philosophy--Congresses
Theology, Doctrinal--History--Middle Ages, 600-1500--Congresses.
Princeton subject headings:
Islamic philosophy--Congresses.
Jewish philosophy--Congresses.
Philosophy, Medieval--Congresses.
Philosophy, Renaissance--Congresses.
Theology, Doctrinal--History--Middle Ages, 600-1500--Congresses.