Awens to All:
The one thing I really liked was his Advanced Bonewits Cult Danger Evaluation Frame which is an Evaluation you can do in order to Evaluate a Group of Religious Devotees and whether they are Harmful or Not. A copy of it appears in his Essential Guide to Druidism in the Chapter ‘Cultists & Con Artists’.
You can download a copy of it from:
I have found it rather useful.