I don't think I'll have time to go in depth for you but I'd recommend Mark Kurlansky's "Basque History of the World: The Story of a Nation", it's an entertaining and easy read, good as an introduction to the subject.

http://www.amazon.com/gp/product/014...books&v=glance

I can't remember if it's got a decent bibliography or not. If it does then you should be pointed in the right direction to find the more heavy duty, dry historical works.