Columbia subject headings:
Italian language.
Italian letters--History and criticism.
Harvard subject headings:
Italian language--Dialects--Italy--Orvieto--Texts.
Italian language--Dialects--Italy--Orvieto.
Italian language--Early modern, 1500-1700.
Italian language--Written Italian.
Vaianese, Alessandro, active 16th century--Correspondence.
Princeton subject headings:
Italian language--Dialects--Italy--Orvieto--History--16th century.
Italian language--Dialects--Italy--Orvieto--Texts.
Italian language--Early modern, 1500-1700.
Italian language--Italy--Orvieto--History--16th century.
Vaianese, Alessandro, active 16th century--Correspondence.