Columbia subject headings:
Philosophy, Medieval--Congresses.
William, of Conches, 1080-approximately 1150--Congresses.
Harvard subject headings:
Philosophy, Medieval--Congresses.
William, of Conches, 1080-approximately 1150--Congresses.
Princeton subject headings:
Philosophy, Medieval--Congresses.
William, of Conches, 1080-approximately 1150--Congresses.