Columbia subject headings:
French language--Grammar--History--17th century.
French language--Grammar--History--18th century.
Language and languages--Philosophy--History--17th century.
Language and languages--Philosophy--History--18th century.
Linguistics--France--History--17th century.
Linguistics--France--History--18th century.
Harvard subject headings:
French language--Grammar--History--17th century.
French language--Grammar--History--18th century.
Linguistics--France--History--17th century.
Linguistics--France--History--18th century.
Princeton subject headings: