Columbia subject headings:
Harvard subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Correspondence.
Research--Italy--Bologna--History--Sources.
Research--Italy--Bologna--History.
Science--Study and teaching (Higher)--Italy--Bologna--History--Sources.
Science--Study and teaching (Higher)--Italy--Bologna--History.
Scientists--Europe--Correspondence.
Università di Bologna--History--Sources.
Università di Bologna--History.
Princeton subject headings:
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716--Correspondence.
Research--Italy--Bologna--History--Sources.
Research--Italy--Bologna--History.
Science--Study and teaching (Higher)--Italy--Bologna--History--Sources.
Science--Study and teaching (Higher)--Italy--Bologna--History.
Scientists--Europe--Correspondence.
Università di Bologna--History--Sources.
Università di Bologna--History.