Collaborative Practice was begun in the difficult realm of Divorce.  So there is a great deal of information available for that application.

Our colleagues in Virginia are running a contest for videos about the application of CP to Divorce.  Here's some entries:

The International Academy of Collaborative Professionals has produced a free 12-page "Collaborative Divorce Knowledge Kit".  You can download a copy of it here:

 Here is one list of "Ten things you should know" in considering Collaborative Practice approach for your Divorce.