Columbia subject headings:
Harvard subject headings:
Humboldt, Caroline von, 1766-1829--Family.
Humboldt, Wilhelm von, 1767-1835--Family.
Intellectuals--Germany--Biography.
Philosophers--Germany--Biography
Scientists--Germany--Biography
Statesmen's spouses--Germany--Biography.
Statesmen--Germany--Biography.
Princeton subject headings:
Humboldt, Caroline von, 1766-1829.
Humboldt, Wilhelm von, 1767-1835.