Columbia subject headings:
Art, Chinese--Collectors and collecting--Portugal--Congresses.
Art, Chinese--Portugal--Congresses.
China--Relations--Portugal--Congresses.
Portugal--Relations--China--Congresses.
Harvard subject headings:
Art, Chinese--Collectors and collecting--Portugal--Congresses.
Art, Chinese--Portugal--Congresses.
China--Relations--Portugal--Congresses.
Portugal--Relations--China--Congresses.
Princeton subject headings:
Art, Chinese--Collectors and collecting--Portugal--Congresses.
Art, Chinese--Portugal--Congresses.
China--Relations--Portugal--Congresses.
Portugal--Relations--China--Congresses.