Columbia subject headings:
Harvard subject headings:
Italian language--History.
Italian language--Social aspects.
Italy--Civilization--1268-1559.
Italy--Civilization--1559-1789.
Multilingualism--Italy--History.
Princeton subject headings:
Italian language--Dialects--History.
Italian language--Early modern, 1500-1700.
Italy--Civilization--1268-1559.
Italy--Languages.
Language and culture--Italy--History.
Multilingualism--Italy--History.
Sociolinguistics--Italy--History.