Ángel Montenegro et alii, Historia de España 2 - colonizaciones y formación de los pueblos prerromanos (1200-218 a.C), Editorial Gredos, Madrid (1989) ISBN84-249-1386-8
The Madeira, Azores, and Canary Islands were not occupied by the Romans. The Madeira and Azores islands were unoccupied until the Portuguese in the 15th century; the Canary islands, the Guanches occupied the territory until the Castilians.