Hint, many advocates think that trauma itself explains the situation. That putting a diagnostic label like DID on things might confuse the issue. A lot of us try to find English terms to describe this stuff, or "human experience language." My friend calls this "trauma zombie mode," which seems pretty apt for me.
A good list is here, plus all the blog posts on this site: http://www.madinamerica.com/resources/#links
Here is more: http://www.mentalhealthexcellence.org/
And this site is great: http://power2u.org/
Look for info on Marsha Linehan and DBT therapy, that was helpful to me.