Devenish, p. 49 Devenish, David (2003). Gibraltar before the British. London: Unpublished proof copy held by the British Library. OCLC499242153
Devenish, p. 55 Devenish, David (2003). Gibraltar before the British. London: Unpublished proof copy held by the British Library. OCLC499242153
Devenish, p. 72 Devenish, David (2003). Gibraltar before the British. London: Unpublished proof copy held by the British Library. OCLC499242153
Devenish, p. 120 Devenish, David (2003). Gibraltar before the British. London: Unpublished proof copy held by the British Library. OCLC499242153
Ayala (1845), pp. 171–175 Ayala, Lopez de (1845). The History of Gibraltar from the earliest period. Translated by James Bell. London: Pickering. OCLC28301900
Cornwell (1782), p. 4. Cornwell, B. (1782). A Description of Gibraltar: with an account of the blockade, siege, the attempt by nine sail of fire ships, the sally made from the garrison, and every thing remarkable or worthy notice that has occurred in that place since the commencement of the Spanish war. London: Richardson & Urquhart. OCLC28817404
Haverty, p. 219 Haverty, Martin (1844). Wanderings in Spain in 1843, Volume 1. London: T. C. Newby. OCLC56000559