In a footnote Gibbons says The Caput Vada of Procopius (where Justinian afterwards founded a city - Da Ædific. l. vi. c.6) is the promontory of Ammon in Strabo, the Brachodes of Ptolemy, the Capaudia of the moderns, a long narrow slip that runs into the sea (Shaw's Travels, p. 111). Gibbons, Edward (1854) The history of the decline and fall of the Roman empire John Murry, London, volume 5 page 105,
Bury, J. B. (John Bagnell) (1923) "Chapter XVII: The Reconquest of Africa" History of the Later Roman Empire: From the Death of Theodosius I. to the death of Justinian: Volume 2 Macmillan, New York, page 130, OCLC499411636
Guérin, Victor (1862) Voyage archéologique dans la Régence de Tunis, Volume 1 Henri Plon, Paris, page 150, OCLC23427230; in French
Sadiqi, Fatima et al. (2009) Women writing Africa: The Northern region Feminist Press at The City University of New York, New York, page 89, ISBN978-1-55861-588-5
Bury, J. B. (John Bagnell) (1923) "Chapter XVII: The Reconquest of Africa" History of the Later Roman Empire: From the Death of Theodosius I. to the death of Justinian: Volume 2 Macmillan, New York, page 130, OCLC499411636
Guérin, Victor (1862) Voyage archéologique dans la Régence de Tunis, Volume 1 Henri Plon, Paris, page 150, OCLC23427230; in French
