Columbia subject headings:
Associations, institutions, etc.--Germany--History.
Enlightenment.
Germany--Intellectual life.
Harvard subject headings:
Enlightenment.
Germany--Intellectual life--18th century.
Learned institutions and societies--Germany--History--18th century.
Social classes--Germany--History--18th century.
Princeton subject headings:
Enlightenment.
Germany--Intellectual life--18th century.
Learned institutions and societies--Germany--History--18th century.
Social classes--Germany--History--18th century.