Columbia subject headings:
Enlightenment--Germany.
Nicolai, Friedrich, 1733-1811--Criticism and interpretation.
Harvard subject headings:
Enlightenment--Germany
Nicolai, Friedrich, 1733-1811--Criticism and interpretation.
Nicolai, Friedrich, 1733-1811.
Princeton subject headings:
Enlightenment--Germany--Congresses.
Nicolai, Friedrich, 1733-1811--Congresses.