Columbia subject headings:
Harvard subject headings:
Architects--Germany--Correspondence.
Schinkel, Karl Friedrich, 1781-1841--Journeys--Italy.
Schinkel, Karl Friedrich, 1781-1841.
Princeton subject headings:
Architects--Germany--Correspondence.
Schinkel, Karl Friedrich, 1781-1841--Travel--Italy.
Schinkel, Karl Friedrich, 1781-1841.