books.google.co.uk - "This is the most comprehesive source of information on all the nomadic peoples of the world. Maps help you to locate these nomadic people groups, many of them unevangelized; black and white photographs enable you to visualize them, and people profiles and bibliographic data facilitate research." --...http://books.google.co.uk/books/about/Peoples_on_the_Move.html?id=54gyRnhIugkC&utm_source=gb-gplus-sharePeoples on the Move
