Columbia subject headings:
Harvard subject headings:
Globalization.
Humboldt, Alexander von, 1769-1859--Influence.
Humboldt, Alexander von, 1769-1859--Travel.
Humboldt, Alexander von, 1769-1859.
Science--Social aspects--History--19th century.
Scientists--Germany--Biography
Princeton subject headings:
Globalization.
Humboldt, Alexander von, 1769-1859--Influence.
Humboldt, Alexander von, 1769-1859--Travel.
Humboldt, Alexander von, 1769-1859.
Science--Social aspects--History--19th century.
Scientists--Germany--Biography.