Columbia subject headings:
Architecture--Germany--History--18th century.
Gontard, Karl von, 1731-1791--Catalogs.
Gontard, Karl von, 1731-1791--Criticism and interpretation.
Harvard subject headings:
Architects--Germany--Biography
Gontard, Karl von, 1731-1791--Catalogs.
Princeton subject headings:
Architecture--Germany--18th century.
Catalogs.
Gontard, Karl von, 1731-1791--Catalogs.
Gontard, Karl von, 1731-1791--Criticism and interpretation.