Graham, Alexander (1902) Roman Africa: an outline of the history of the Roman occupation of North Africa, based chiefly upon inscriptions and monumental remains in that country Longmans, Green, and Co., Londres, p. 312, OCLC 2735641.
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(en inglés)"Barce"Encyclopedia Britannica (edición de 1964) pag. 153.
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Graham, Alexander (1902) Roman Africa: an outline of the history of the Roman occupation of North Africa, based chiefly upon inscriptions and monumental remains in that country Longmans, Green, and Co., Londres, p. 312, OCLC 2735641.
