Columbia subject headings:
Sicily (Italy)--History--1282-1409--Sources--Catalogs.
Sicily (Italy)--History--1282-1409--Sources.
Sicily (Italy)--Languages--History.
Harvard subject headings:
Italian language--Dialects--Italy--Sicily--Texts.
Sicilian language.
Sicily (Italy)--History--1282-1409--Sources--Catalogs.
Sicily (Italy)--History--1282-1409--Sources.
Sicily (Italy)--Languages--History.
Princeton subject headings:
Catalogs.
Sicily (Italy)--History--1282-1409--Sources--Catalogs.
Sicily (Italy)--History--1282-1409--Sources.
Sicily (Italy)--Languages--History.