Columbia subject headings:
Europe--Church history--600-1500--Congresses.
Europe--Relations--Ireland--Congresses.
European literature--Irish influences--Congresses.
Ireland--Church history--600-1500--Congresses.
Ireland--Relations--Europe--Congresses.
Irish literature--European influences--Congresses.
Literature, Medieval--History and criticism--Congresses.
Harvard subject headings:
Europe--Church history--600-1500--Congresses.
Europe--Relations--Ireland--Congresses.
European literature--Irish influences--Congresses.
Ireland--Church history--600-1500--Congresses.
Ireland--Relations--Europe--Congresses.
Irish literature--European influences--Congresses.
Literature, Medieval--History and criticism--Congresses
Princeton subject headings:
Europe--Church history--600-1500--Congresses.
Europe--Relations--Ireland--Congresses.
European literature--Irish influences--Congresses.
Ireland--Church history--600-1500--Congresses.
Ireland--Relations--Europe--Congresses.
Irish literature--European influences--Congresses.
Literature, Medieval--History and criticism--Congresses.