"Nigeria." . . "Nigeria" . . "Europa" . . "Niger River Valley" . . "Niger River Valley." . "Africa" . . "África" . "Afrika" . . "Africa Occidental" . . . . "History" . "History"@en . . . "The strong brown god" . . . "The Strong brown god : the story of the Niger river"@en . . . . "El dios indómito : la historia del río Níger"@es . . . "The Strong brown god : the story of the Niger River" . . . . . . . "The strong brown god : the story of the Niger river"@en . "The strong brown god : the story of the Niger river" . . . . . . . "The strong brown God" . . . "The strong brown god : the story of the Niger River"@en . "The strong brown god : the story of the Niger River" . . . . . . . . . . . . "Strong brown God : the story of the Niger River" . . "The strong brown god the story of the Niger River" . "The strong brown god the story of the Niger River"@en . . "The strong brown god: the story of the Niger river" . "The strong brown god : the story of the Niger River\\Sanche de Garmont" . . . "The strong brown god ; the story of the Niger River"@en . . . . . . . . . . . . . . . "Erforschung." . . "Niger River." . . "Niger (Fluss)" . . "Niger, Vallée du" . . "Discoveries in geography." . . "Níger (Río)" . . "Niger, Río" . . . "Niger" . . "Africa, West" . . "Niger River" . . "Niger River." .