Columbia subject headings:
Harvard subject headings:
City and town life--Europe--History--17th century--Congresses.
City and town life--Europe--History--18th century--Congresses.
Europe--Social conditions--17th century--Congresses.
Europe--Social conditions--18th century--Congresses.
Power (Social sciences)--History--17th century--Congresses.
Power (Social sciences)--History--18th century--Congresses.
Princeton subject headings:
Cities and towns--Europe--History--Congresses.
Europe--Social conditions--Congresses.