Columbia subject headings:
Civilization, Modern--18th century--Congresses.
Civilization, Modern--18th century--Periodicals.
Eighteenth century--Congresses.
Literature, Modern--18th century--Congresses.
Harvard subject headings:
Civilization, Modern--18th century--Congresses.
Civilization, Modern--18th century--Periodicals.
Eighteenth century--Congresses.
Literature, Modern--18th century--Congresses.
Princeton subject headings:
Civilization, Modern--18th century--Congresses.
Eighteenth century--Congresses.
Literature, Modern--18th century--Congresses.