See:
- J. Ferron, sv. Clupea: in Dictionnaire d'Histoire et de Géographie ecclésiastiques, vol. XIII, Paris 1956, coll. 174-176
- http://www.treccani.it/enciclopedia/clupea_%28Enciclopedia-dell%27-Arte-Antica%29/
See:
Clypea
ASPIS -
OmnesViae import TPPlace249. Also known as Colonia Iulia Clipea - Clypia- Clupea. Modern site of Kelibia - Qlībiya- Calibi