Columbia subject headings:
Classical philology--History.
Comparative linguistics--History.
Linguistics--Germany--History--19th century.
Linguistics--Great Britain--History--19th century.
Harvard subject headings:
Classical philology--History.
Comparative linguistics--History.
Linguistics--Germany--History--19th century.
Linguistics--Great Britain--History--19th century.
Princeton subject headings:
English language--Study and teaching--Germany.
English language--Study and teaching--History.
Linguistics--History--19th century.