"Travels to Discover the Source of the Nile" . . "Travels to Discover the Source of the Nile in the Years \u2013 1768, 1770, 1771, 1772, and 1773" . . . . . . . . . . . . . . "Travels" . . . . "Travels to Discover the Source of the Nile" . . . . . . . . . . . . .