Columbia subject headings:
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Criticism and interpretation.
Mathematics--History.
Philosophy, Modern--17th century.
Science--Philosophy
Princeton subject headings:
Calculators--History--17th century.
Education, Higher--Austria--History--17th century.
Kaiserl. Akademie der Wissenschaften in Wien.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Mathematics--History--17th century.
Mining engineering--History--17th century.