Columbia subject headings:
Harvard subject headings:
Humboldt, Alexander von, 1769-1859--Travel--Canary Islands--Tenerife.
Tenerife (Canary Islands)--Description and travel.
Princeton subject headings:
Humboldt, Alexander von, 1769-1859--Travel--Canary Islands--Tenerife.
Tenerife (Canary Islands)--Description and travel.