Wikipedia articles

Wikipedia is loaded with good stuff.

• Shunning
• Religious Disaffiliation
  
• Apostacy
• Excommunication
• Spiritual Abuse
• Exit Counseling
• Mind Control
  
• JW's and discipline
  

Other reference

Here's a bunch of

references article from a sites like wikipedia. Theopedia is a presbyterian site. with tons of good links and some summary information about membership.

This one covers getting in and out of various presbyterian churches:
Theopedia Church Membership

This one covers the debates about who is subject to discipline
Theopedia Church Discipline

Gameo (Global Anabaptist Mennonite Encycllopedia Online): Church Discipline Excommunication Pastoral Counseling

David Huckabee (independent baptist) Church discipline and Church membership