Columbia subject headings:
Canada--Ethnic relations--Congresses.
Jews--Canada--History--Congresses.
Jews--United States--History--Congresses.
United States--Ethnic relations--Congresses.
Harvard subject headings:
Canada--Ethnic relations--Congresses.
Jews--Canada--History--Congresses.
Jews--United States--History--Congresses.
United States--Ethnic relations--Congresses.
Princeton subject headings:
Canada--Ethnic relations--Congresses.
Jews--Canada--History--Congresses.
Jews--United States--History--Congresses.
United States--Ethnic relations--Congresses.