^Enquête sur les installations hydrauliques en Tunisie, III, p. 173 et suiv. et fig. 12.
^Babelon, Ernest. Archaeological Atlas of Tunisia: special edition of the topographical maps published by the Ministry of War. Accompanied by an explanatory text drafted by Mrs E. Babelon, Mr R. Cagnat, Mr S. Reinach. [Text] /. (Paris, 1893.)