Columbia subject headings:
Harvard subject headings:
Enlightenment--Congresses
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Congresses.
Philosophy, Modern--18th century--Congresses.
Princeton subject headings:
Conference papers and proceedings.
Enlightenment--Congresses.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Congresses.
Philosophy, Modern--18th century--Congresses.