Columbia subject headings:
Porcelain--19th century--Dictionaries.
Porcelain--20th century--Dictionaries.
Pottery--19th century--Dictionaries.
Pottery--20th century--Dictionaries.
Harvard subject headings:
Porcelain--19th century--Dictionaries.
Porcelain--20th century--Dictionaries.
Pottery--19th century--Dictionaries.
Pottery--20th century--Dictionaries.
Princeton subject headings: