Columbia subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Linguistics.
Semiotics.
Thought and thinking.
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in linguistics.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in semiotics.
Linguistics.
Semiotics.
Thought and thinking.
Princeton subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Linguistics.
Semiotics.
Thought and thinking.