Columbia subject headings:
Cameo glass--Catalogs.
Cameo glass--Germany--Würzburg--Catalogs.
Gems--Germany--Würzburg--Catalogs.
Gems--Reproductions--Catalogs.
Martin-von-Wagner-Museum--Catalogs.
Harvard subject headings:
Cameos--Germany--Würzburg--Catalogs.
Gems--Germany--Würzburg--Catalogs.
Gems--Reproduction--Catalogs.
Intaglios--Germany--Würzburg--Catalogs.
Martin-von-Wagner-Museum--Catalogs.
Princeton subject headings:
Gems--Germany--Würzburg--Catalogs.