Columbia subject headings:
Architects--Germany (East)--Exhibitions.
Architecture--Germany (East)--Exhibitions.
Frederick William IV, King of Prussia, 1795-1861--Exhibitions.
Persius, Ludwig, 1803-1845--Exhibitions.
Harvard subject headings:
Architects--Germany--Exhibitions.
Frederick William IV, King of Prussia, 1795-1861--Exhibitions.
Neoclassicism (Architecture)--Germany--Potsdam--Exhibitions.
Persius, Ludwig, 1803-1845--Exhibitions.
Princeton subject headings:
Frederick William IV, King of Prussia, 1795-1861--Exhibitions.
Neoclassicism (Architecture)--Germany--Potsdam--Exhibitions.
Persius, Ludwig, 1803-1845--Exhibitions.