Madden, R. R. (1862). Monuments of primeval antiquity: Of identical type, origin, and uses, existing in northern Africa, Ireland, England and France: of the relations to be inferred from this identity between a tribe or colony of northern Africa and the people of the British Isles and Gaul. T.C. Newby, 30, Welbeck Street.

Madden, Richard Robert. Monuments of Primeval Antiquity: Of Identical Type, Origin, and Uses, Existing in Northern Africa, Ireland, England and France: Of the Relations to Be Inferred from This Identity Between a Tribe or Colony of Northern Africa and the People of the British Isles and Gaul. T.C. Newby, 30, Welbeck Street, 1862.