Columbia subject headings:
Biblioteca apostolica vaticana--Catalogs.
Illumination of books and manuscripts, Medieval--Catalogs.
Sardinia (Italy)--History--Manuscripts--Catalogs.
Sardinia (Italy)--History--Sources--Bibliography--Catalogs.
Sardinia (Italy)--Maps--Catalogs.
Harvard subject headings:
Biblioteca apostolica vaticana--Catalogs.
Manuscripts--Italy--Rome--Catalogs.
Sardinia (Italy)--History--Manuscripts--Catalogs.
Sardinia (Italy)--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Biblioteca apostolica vaticana--Catalogs.
Manuscripts--Italy--Rome--Catalogs.
Sardinia (Italy)--History--Manuscripts--Catalogs.
Sardinia (Italy)--History--Sources--Bibliography--Catalogs.