Demandt 1998: "In fact, many sites where the Romans created towns, such as Paris, Vienna and Bratislava, had previously been Celtic settlements of more or less urban character." Demandt, Alexander (1998). Die Kelten (in German). München: Beck. ISBN978-3-406-43301-6.
Ros 1996. Ros, Karen E. (1996). "The Roman Theater at Carthage (the theater's substructures, plan and the identification of architectural elements)". American Journal of Archaeology. 100 (3): 449–489. doi:10.2307/507025. ISSN0002-9114. JSTOR507025. S2CID191374710.
Beckmann 2002, pp. 353–356. Beckmann, Martin (2002), "The 'Columnae Coc(h)lides' of Trajan and Marcus Aurelius", Phoenix, 56 (3/4): 348–357, doi:10.2307/1192605, JSTOR1192605
Ros 1996. Ros, Karen E. (1996). "The Roman Theater at Carthage (the theater's substructures, plan and the identification of architectural elements)". American Journal of Archaeology. 100 (3): 449–489. doi:10.2307/507025. ISSN0002-9114. JSTOR507025. S2CID191374710.
Beckmann 2002, pp. 353–356. Beckmann, Martin (2002), "The 'Columnae Coc(h)lides' of Trajan and Marcus Aurelius", Phoenix, 56 (3/4): 348–357, doi:10.2307/1192605, JSTOR1192605
Ros 1996. Ros, Karen E. (1996). "The Roman Theater at Carthage (the theater's substructures, plan and the identification of architectural elements)". American Journal of Archaeology. 100 (3): 449–489. doi:10.2307/507025. ISSN0002-9114. JSTOR507025. S2CID191374710.
Ros 1996. Ros, Karen E. (1996). "The Roman Theater at Carthage (the theater's substructures, plan and the identification of architectural elements)". American Journal of Archaeology. 100 (3): 449–489. doi:10.2307/507025. ISSN0002-9114. JSTOR507025. S2CID191374710.