Columbia subject headings:
Enlightenment--Germany--Prussia--Congresses.
France--Relations--Germany--Prussia--Congresses.
Prussia (Germany)--History--Frederick II, 1740-1786--Congresses.
Prussia (Germany)--Relations--France--Congresses.
Harvard subject headings:
Enlightenment--Germany--Prussia--Congresses.
France--Intellectual life--18th century--Congresses.
Philosophy, French--18th century--Congresses.
Philosophy, German--18th century--Congresses.
Political culture--Germany--Prussia--History--18th century--Congresses.
Prussia (Germany)--Intellectual life--Congresses.
Princeton subject headings:
Enlightenment--Germany--Prussia--Congresses.
France--Intellectual life--18th century--Congresses.
Philosophy, French--18th century--Congresses.
Philosophy, Germany--18th century--Congresses.
Political culture--Germany--Prussia--History--18th century--Congresses.
Prussia (Germany)--Intellectual life--Congresses.