Columbia subject headings:
Harvard subject headings:
Arabian Peninsula--Economic conditions--Congresses.
Arabian Peninsula--Foreign relations--United States--Congresses.
Arabian Peninsula--Politics and government--Congresses.
United States--Foreign relations--Arabian Peninsula--Congresses.
Princeton subject headings:
Arabian Peninsula--Economic conditions--Congresses.
Arabian Peninsula--Foreign relations--United States--Congresses.
Arabian Peninsula--Politics and government--Congresses.
United States--Foreign relations--Arabia--Congresses.