Which of the following is the best kind of resource for detailed information of a historical nature (at least two years old)?

magazines
encyclopedias
books
databases
interview

We need the profession and injuries 

•as parts of ceremonies and often to ask for peace and blessings from evil. • late at night to entertain themselves or foreign visitors at the camp. • on long journeys through the arizona desert, to keep their energy and minds boosted. • during the long winter nights, when they were cold and the land was not suitable for farming.