Columbia subject headings:
Harvard subject headings:
Asia--Relations--China--Hong Kong--Sources--Indexes.
Hong Kong (China)--History--19th century--Sources--Indexes.
Hong Kong (China)--Relations--Asia--History--Sources--Indexes.
Hong Kong (China)--Relations--Asia--Sources--Indexes.
Hong Kong (China)--Relations--Pacific Area--History--Sources--Indexes.
Hong Kong (China)--Relations--Pacific Area--Sources--Indexes.
Pacific Area--Relations--China--Hong Kong--Sources--Indexes.
Princeton subject headings:
Hong Kong (China)--Foreign relations--Sources.
Hong Kong (China)--History--Sources.