Columbia subject headings:
Harvard subject headings:
Jena (Germany)--History--Exhibitions.
Jena (Germany)--Social conditions--Exhibitions.
Social movements--Germany--Jena--History--19th century--Exhibitions.
Social movements--Germany--Jena--History--20th century--Exhibitions.
Princeton subject headings:
Jena (Germany)--History--Exhibitions.
Jena (Germany)--Social conditions--Exhibitions.
Social movements--Germany--Jena--History--19th century--Exhibitions.
Social movements--Germany--Jena--History--20th century--Exhibitions.