Columbia subject headings:
Greece--Languages--History--To 1500.
Rome--Languages--History.
Sociolinguistics--Greece--History.
Sociolinguistics--Rome--History.
Harvard subject headings:
Greece--Civilization.
Language and culture--Greece
Language and culture--Mediterranean Region.
Language and culture--Rome.
Rome--Civilization
Sociolinguistics--Greece.
Sociolinguistics--Rome.
Princeton subject headings:
Greece--Languages--History--To 1500.
Rome--Languages--History.
Sociolinguistics--Greece--History.
Sociolinguistics--Rome--History.