Columbia subject headings:
Enlightenment--Congresses.
Europe--Intellectual life--18th century--Congresses.
Other (Philosophy)--Congresses.
Harvard subject headings:
Enlightenment--Congresses
Europe--Intellectual life--18th century--Congresses.
Other (Philosophy)--Congresses.
Princeton subject headings:
Enlightenment--Congresses.
Europe--Intellectual life--18th century--Congresses.
Other (Philosophy)--Congresses.