[SunkenCiv]

https://freerepublic.com/tag/azores/index

Cave art:
https://portuguese-american-journal.com/archeology-prehistoric-rock-art-found-in-caves-on-terceira-island-azores/

https://portuguese-american-journal.com/carthaginian-temples-found-azores/

Carthaginian coins in the Azores:
https://en.wikipedia.org/wiki/Carthaginian_coins_of_Corvo

Vikings in the Azores (other stuff of interest)
https://en.wikipedia.org//wiki/History_of_the_Azores#Vikings

[SunkenCiv]

https://portuguese-american-journal.com/pico-new-archeological-evidence-reveals-human-presence-before-portuguese-occupation-azores/