Columbia subject headings:
Faience--Portugal--History--Congresses.
Faience--Portuguese-speaking countries--History--Congresses.
Harvard subject headings:
Faience--Portugal--History--Congresses.
Faience--Portuguese-speaking countries--History--Congresses.
Princeton subject headings:
Faience--Portugal--History--Congresses.
Faience--Portuguese-speaking countries--History--Congresses.