This Women in Astronomy blog post is a compilation of CSWA resources and is a good place to start. http://womeninastronomy.blogspot.com/2012/11/negotiation-is-dialogue-compiled-advice.html
Advice for negotiating a tenure-track position:
Tips for Effective Negotiation
Getting to Yes: Negotiating Agreement Without Giving In by Fisher, Ury, and Patton
Negotiating Your Salary: How to Make $1000 a Minute by M.A. Jack Chapman
Wome Don't Ask by Babcock and Laschever
Ask For it by Babcock and Laschever
Articles about "Women Don't Ask"