Note 56 — Chapter III · THE NUBIAN DESERT—THE GREAT SAHARA—DESERTS OF AFRICA.
W. H. Davenport (William Henry Davenport) Adams translation
Martins. “Du Spitzberg au Sahara,” in loc.
W. H. Davenport (William Henry Davenport) Adams translation
Martins. “Du Spitzberg au Sahara,” in loc.