Columbia subject headings:
Cartography--Italy--Sicily--History.
Maps--Private collections--Italy--Sicily--Catalogs.
Sicily (Italy)--Maps--Catalogs.
Spagnolo, Santo--Map collections--Catalogs.
Harvard subject headings:
Cartography--Italy--Sicily--History.
Maps--Private collections--Italy--Sicily--Catalogs.
Sicily (Italy)--Maps--Catalogs.
Spagnolo, Santo--Map collections--Catalogs.
Princeton subject headings:
Cartography--Italy--Sicily--History.
Catalogs.
Maps--Private collections--Italy--Sicily--Catalogs.
Maps.
Sicily (Italy)--Maps--Catalogs.
Spagnolo, Santo--Map collections--Catalogs.