"Niger River" . . "Sudan" . . "Niger, Mission Hourst." . . "Africa, West" . . . . "Mali" . . "Mali." . . . . "French enterprise in Africa the personal narrative of Lieut. Hourst of his exploration of the Niger"@en . "French enterprise in Africa the personal narrative of Lieut. Hourst of his exploration of the Niger" . "Sur le Niger et au pays des Touaregs : la mission Hourst" . . . . . . "Sur le Niger et au pays des Touaregs. La mission Hourst ... Ouvrage illustré ... et accompagné d'une carte" . . . . . . . "French enterprise in Africa; the personal narrative of Lieut. Hourst of his exploration of the Niger" . "Sur le Niger et au pays des Touaregs" . "French enterprise in Africa"@en . . "Sur le Niger et au Pays des Touaregs : La Mission Hourst" . . . . . . . . . . . "Sur le Niger et au pays des Touaregs. La Mission Hourst, par le lieutenant de vaisseau Hourst" . . . . "French enterprise in Africa the personal narrative of" . . "French enterprise in Africa : the personal narrative of Lieut. Hourst of his exploriation of the Niger ; tr. by Mrs. Arthur Bell (N. D'Anvers)"@en . . . . "Sur le Niger et au pays des Touaregs la mission Hourst" . "French enterprise in africa" . . . . . . . . "French enterprise in Africa : the personal narrative of Lieut. Hourst of his exploration of the Niger"@en . "French enterprise in Africa : the personal narrative of Lieut. Hourst of his exploration of the Niger" . . . "Sur le Niger et au pays des Touaregs : La mission Hourst" . . . . . . . . "Niger" . .