Columbia subject headings:
Harvard subject headings:
Italian language--Dialects--Italy--Lazio--Bibliography.
Italian language--Dialects--Italy--Lazio--Texts--Bibliography.
Italian language--Dialects--Italy--Rome--Bibliography.
Italian language--Dialects--Italy--Rome--Texts--Bibliography.
Princeton subject headings:
Italian language--Imprints--Italy--Laziot--Catalogs.
Italian language--Imprints--Italy--Rome--Catalogs.
Italian language--Italy--Lazio--Dialects--Bibliography.
Italian language--Italy--Rome--Dialects--Bibliography.