Columbia subject headings:
Enlightenment--Congresses.
German literature--19th century--History and criticism--Congresses.
German literature--20th century--History and criticism--Congresses.
Philosophy, Modern--Congresses.
Harvard subject headings:
Austrian literature--19th century--History and criticism--Congresses.
Austrian literature--20th century--History and criticism--Congresses
Enlightenment.
Josephinism.
Princeton subject headings:
Enlightenment--Congresses.
German literature--19th century--History and criticism--Congresses.
German literature--20th century--History and criticism--Congresses.
Philosophy, Modern--Congresses.