Columbia subject headings:
France--Foreign relations--Morocco.
Morocco--Foreign relations--France.
Morocco--Foreign relations--Spain.
Morocco--History--20th century.
Spain--Foreign relations--Morocco.
Harvard subject headings:
France--Foreign relations--Morocco.
Morocco--Foreign relations--France.
Morocco--Foreign relations--Spain.
Morocco--History--20th century.
Spain--Foreign relations--Morocco.
Princeton subject headings:
France--Foreign relations--Morocco.
Morocco--Foreign relations--France.
Morocco--Foreign relations--Spain.
Morocco--History--20th century.
Spain--Foreign relations--Morocco.