Columbia subject headings:
Enlightenment--Congresses.
Europe, Central--Intellectual life--Congresses.
Europe, Eastern--Intellectual life--Congresses.
Hungary--Intellectual life--Congresses.
Harvard subject headings:
Enlightenment--Congresses
Europe, Central--Intellectual life--Congresses.
Europe, Eastern--Intellectual life--Congresses.
Hungary--Intellectual life--Congresses.
Princeton subject headings:
Enlightenment--Congresses.
Europe, Central--Intellectual life--Congresses.
Europe, Eastern--Intellectual life--Congresses.
Hungary--Intellectual life--Congresses.