Columbia subject headings:
Architects--Germany--Biography.
Italy--Description and travel.
Italy--In art.
Schinkel, Karl Friedrich, 1781-1841.
Harvard subject headings:
Architects--Germany--Correspondence.
Schinkel, Karl Friedrich, 1781-1841.
Princeton subject headings:
Architects--Germany--Correspondence.
Schinkel, Karl Friedrich, 1781-1841.