Columbia subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Congresses.
Linguistics.
Physics.
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Congresses.
Princeton subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Congresses.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in linguistics--Congresses.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Contributions in physics--Congresses.