Columbia subject headings:
Civilization, Medieval--Congresses.
Literature, Medieval--History and criticism--Congresses.
Space (Architecture) in literature--Congresses.
Space (Architecture)--Social aspects--Europe--History--To 1500--Congresses.
Harvard subject headings:
Civilization, Medieval--Congresses
Literature, Medieval--History and criticism--Congresses
Space (Architecture) in literature--Congresses.
Space (Architecture)--Social aspects--Europe--History--To 1500--Congresses.
Princeton subject headings:
Civilization, Medieval--Congresses.
Literature, Medieval--History and criticism--Congresses.
Space (Architecture) in literature--Congresses.
Space (Architecture)--Social aspects--Europe--History--To 1500--Congresses.