Columbia subject headings:
Architecture and state--Germany--Rhine Province.
Architecture--Germany--Rhine Province--History--19th century.
Frederick William IV, King of Prussia, 1795-1861--Art patronage.
Rhine Province (Germany)--History.
Harvard subject headings:
Architecture and state--Germany--Rhine Province.
Architecture--Germany--Rhine Province--History--19th century.
Frederick William IV, King of Prussia, 1795-1861--Art patronage.
Rhine Province (Germany)--History.
Princeton subject headings:
Architecture--Germany--Rhine Province--History.
Construction industry--Government policy--Germany--Rhine Province.
Frederick William IV, King of Prussia, 1795-1861.
Rhine Province (Germany)--Buildings, structures, etc.