Columbia subject headings:
Egypt--Foreign relations--Libya--History--Congresses.
Libya--Foreign relations--Egypt--History--Congresses.
Harvard subject headings:
Conference papers and proceedings.
Egypt--Foreign relations--Libya--History--Congresses.
Libya--Foreign relations--Egypt--History--Congresses.
Princeton subject headings:
Conference papers and proceedings.
Egypt--Foreign relations--Libya--History--Congresses.
Libya--Foreign relations--Egypt--History--Congresses.