Columbia subject headings:
Cartography--Italy--Sicily--History--Catalogs.
La Gumina, Antonio--Map collections--Catalogs.
Map collections--Italy--Sicily--Catalogs.
Sicily (Italy)--Maps--Catalogs.
Harvard subject headings:
Cartography--Italy--Sicily--History--Catalogs.
Cartography--Italy--Sicily--History.
La Gumina, Antonio--Map collections--Catalogs.
Map collections--Italy--Sicily--Catalogs.
Sicily (Italy)--Maps--Catalogs.
Princeton subject headings: