Columbia subject headings:
Harvard subject headings:
Europe--Civilization--19th century--Exhibitions.
Europe--Intellectual life--19th century--Exhibitions.
France--Relations--Germany--Exhibitions.
Germany--Relations--France--Exhibitions.
Humboldt, Alexander von, 1769-1859--Exhibitions.
Humboldt, Wilhelm von, 1767-1835--Exhibitions.
Intellectuals--Germany--Biography--Exhibitions.
Intellectuals--Germany--Biography.
Philosophers--Germany--Biography
Philosophers--Germany--Biography--Exhibitions.
Statesmen--Germany--Biography--Exhibitions.
Statesmen--Germany--Biography.
Princeton subject headings:
Humboldt, Alexander von, 1769-1859--Exhibitions.
Humboldt, Wilhelm von, 1767-1835--Exhibitions.
Intellectual life--Europe--19th century--Exhibitions.
Philosophers--Germany--Biography--Exhibitions.
Scientists--Germany--Biography--Exhibitions.