Columbia subject headings:
Ireland--Relations--United States--Congresses.
Irish Americans--Congresses.
United States--Relations--Ireland--Congresses.
Harvard subject headings:
Ireland--Relations--United States--Congresses.
Irish Americans--Congresses.
United States--Relations--Ireland--Congresses.
Princeton subject headings:
Ireland--Relations--United States--Congresses.
Irish Americans--Congresses.
United States--Relations--Ireland--Congresses.