Columbia subject headings:
Frankfurt am Main (Germany)--Cultural policy--History--19th century.
Frankfurt am Main (Germany)--Cultural policy--History--20th century.
Harvard subject headings:
Frankfurt am Main (Germany)--Civilization--19th century.
Frankfurt am Main (Germany)--Civilization--20th century.
Frankfurt am Main (Germany)--Cultural policy.
Princeton subject headings:
Frankfurt am Main (Germany)--Civilization--19th century.
Frankfurt am Main (Germany)--Civilization--20th century.
Frankfurt am Main (Germany)--Cultural policy.