Columbia subject headings:
Europe--Intellectual life.
Europe--Social life and customs.
Seventeenth century.
Harvard subject headings:
Europe--Civilization--17th century--Congresses.
Europe--Intellectual life--17th century--Congresses.
Popular culture--Europe--History--17th century--Congresses.
Princeton subject headings:
Europe--Intellectual life--17th century--Congresses.
Popular culture--Europe--History--17th century--Congresses.