Richardson, J., & Joly, J. R. (1848). Travels in the great desert of Sahara in the years of 1845 & 1846: Containing a narrative of personal adventures during a tour of nine months through the desert amongst the Touaricks and other tribes of Saharan people; including a description of the oases and cities of Ghat, Ghadames and Mourzuk. Richard Bentley.

Richardson, James, and Jaspar Robert Joly. Travels in the Great Desert of Sahara in the Years of 1845 & 1846: Containing a Narrative of Personal Adventures During a Tour of Nine Months Through the Desert Amongst the Touaricks and Other Tribes of Saharan People; Including a Description of the Oases and Cities of Ghat, Ghadames and Mourzuk. Richard Bentley, 1848.