Columbia subject headings:
Humboldt, Wilhelm von, 1767-1835.
Linguistics--History--19th century.
Linguistics.
Harvard subject headings:
Humboldt, Wilhelm von, 1767-1835--Contributions in linguistics.
Linguistics--History--19th century
Princeton subject headings:
Humboldt, Wilhelm von, 1767-1835.
Linguistics--History--19th century.