Columbia subject headings:
Jena (Germany)--Civilization--18th century.
Jena (Germany)--Civilization--19th century.
Weimar (Thuringia, Germany)--Civilization--18th century.
Weimar (Thuringia, Germany)--Civilization--19th century.
Harvard subject headings:
Jena (Germany)--Civilization--18th century.
Jena (Germany)--Civilization--19th century.
Weimar (Thuringia, Germany)--Civilization--18th century.
Weimar (Thuringia, Germany)--Civilization--19th century.
Princeton subject headings:
Jena (Germany)--Civilization--18th century.
Jena (Germany)--Civilization--19th century.
Weimar (Thuringia, Germany)--Civilization--18th century.
Weimar (Thuringia, Germany)--Civilization--19th century.