Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Portugal--Sources.
China--Foreign relations--Portugal.
China--History--1644-1795
Portugal--Foreign relations--18th century--Sources.
Portugal--Foreign relations--18th century.
Portugal--Foreign relations--China--Sources.
Portugal--Foreign relations--China.
Portugal--History--John V, 1706-1750--Sources.
Portugal--History--John V, 1706-1750.
Princeton subject headings:
China--Foreign relations--Portugal.
China--History--1644-1795.
Portugal--Foreign relations--China.
Portugal--History--John V, 1706-1750.