Columbia subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Books and reading.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Library--Catalogs.
Harvard subject headings:
Princeton subject headings:
Bibliography--Germany--History.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Career in library science.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Library--Catalogs.
Library science--Germany--History.
Private libraries--Germany--History.