Jones, W. B., Jones, J., & Williams, J. (1851). Archaeologia cambrensis: A record of the antiquities of Wales and its marches, and the journal of the Cambrian Archæological Association. Supplement, 1850. London: W. Pickering.

Jones, William Basil, John Jones, and John Williams. Archaeologia Cambrensis: A Record of the Antiquities of Wales and Its Marches, and the Journal of the Cambrian Archæological Association. Supplement, 1850. London: W. Pickering, 1851.

Jones, William Basil, John Jones, and John Williams. Archaeologia Cambrensis: A Record of the Antiquities of Wales and Its Marches, and the Journal of the Cambrian Archæological Association. Supplement, 1850. London: W. Pickering, 1851.