Columbia subject headings:
Collezione Rubboli--Catalogs.
Luster-ware--Private collections--Italy--Gualdo Tadino--Catalogs.
Majolica, Italian--Private collections--Italy--Gualdo Tadino--Catalogs.
Rubboli family--Art collections--Catalogs.
Rubboli family--Catalogs.
Harvard subject headings:
Luster-ware--Italy--Gualdo Tadino--Catalogs.
Majolica, Italian--Italy--Gualdo Tadino--19th century--Catalogs.
Majolica, Italian--Italy--Gualdo Tadino--20th century--Catalogs.
Rubboli family--Catalogs.
Princeton subject headings: