(en) William Lempriere, A Tour from Gibraltar to Tangier: Sallee, Mogodore, Santa Cruz, Tarudant; and Thence, Over Mount Atlas, to Morocco: Including a Particular Account of the Royal Harem, &c. By William Lempriere, Surgeon, J. Walter; and sold, (lire en ligne), p. 375-376
(en) William Lempriere, A Tour from Gibraltar to Tangier: Sallee, Mogodore, Santa Cruz, Tarudant; and Thence, Over Mount Atlas, to Morocco: Including a Particular Account of the Royal Harem, &c. By William Lempriere, Surgeon, J. Walter; and sold, (lire en ligne), p. 375