Columbia subject headings:
Europe--Relations--Persian Gulf States.
France--Colonies.
Great Britain--Colonies.
Netherlands--Colonies.
Persian Gulf States--Relations--Europe.
Portugal--Colonies.
Harvard subject headings:
Europe--Relations--Persian Gulf States.
France--Colonies.
Great Britain--Colonies--History.
Great Britain--Colonies.
Netherlands--Colonies.
Persian Gulf States--Relations--Europe.
Portugal--Colonies.
Princeton subject headings:
Europe--Relations--Persian Gulf States.
France--Colonies.
Great Britain--Colonies.
Netherlands--Colonies.
Persian Gulf States--Relations--Europe.
Portugal--Colonies.