Columbia subject headings:
Duveyrier, Henri, 1840-1892.
Explorers--France--Biography.
Explorers--Sahara--Biography.
Sahara--Description and travel.
Tuaregs.
Harvard subject headings:
Princeton subject headings:
Duveyrier, Henri, 1840-1892.
Explorers--France--Biography.
Explorers--Sahara--Biography.
Sahara--Description and travel.
Tuaregs.