Columbia subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Linguistics.
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in linguistics.
Linguistics.
Princeton subject headings:
Language and languages--Philosophy.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in linguistics.