Columbia subject headings:
Architecture, Industrial--Germany--Berlin.
Architecture--Germany--Berlin--History--19th century.
Berlin (Germany)--Buildings, structures, etc.
Borsig GmbH.
Foundries--Germany--Berlin.
Iron industry and trade--Germany--Berlin--History--19th century.
Harvard subject headings:
Architecture, Industrial--Germany--Berlin.
Architecture, Modern--19th century--Germany--Berlin.
Architecture--Germany--Berlin--History.
Berlin (Germany)--Buildings, structures, etc.
Borsig GmbH
Foundries--Germany--Berlin.
Iron industry and trade--Germany--Berlin--History--19th century.
Princeton subject headings: