Columbia subject headings:
Harvard subject headings:
Science--Europe--History--17th century--Congresses.
Science--Europe--History--18th century--Congresses.
Science--Italy--History--17th century--Congresses.
Science--Italy--History--18th century--Congresses.
Princeton subject headings:
Science--Europe--History--17th Century--Congresses.
Science--Europe--History--18th Century--Congresses.
Science--Italy--History--17th Century--Congresses.
Science--Italy--History--18th Century--Congresses.