Columbia subject headings:
Art museums--Germany--Berlin.
Germany--Kings and rulers--Art patronage.
Museumsinsel (Berlin, Germany)
Harvard subject headings:
Architecture, Modern--19th century--Germany--Berlin.
Art museums--Germany--Berlin.
Germany--Kings and rulers--Art patronage.
Museum buildings--Germany--Berlin.
Museums--Germany--Berlin--History--19th century.
Princeton subject headings:
Architecture, Modern--19th century--Germany--Berlin.
Museum buildings--Germany--Berlin.
Museums--Germany--Berlin--History--19th century.