Columbia subject headings:
Collectors and collecting.
Copenhagen porcelain.
Kongelige Porcelainsfabrik.
Pottery, Danish.
Pottery--Marks.
Harvard subject headings:
Collectors and collecting
Copenhagen porcelain.
Pottery, Danish.
Pottery--Marks
Princeton subject headings:
Collectors and collecting.
Copenhagen porcelain.
Pottery, Danish.
Pottery--Marks.