Brethren Groups 
Basic, non-theological outline of all the religious groups using the word Brethren in their denominational label.
http://www.cob-net.org/docs/groups.htmOld German Baptist Brethren 
Photo essay on the Old German Baptist Brethren.
http://www.schumann.com/dhtml/Brethren/brethren.html
Honors to Alexander Mack 
Interpretation of the life and thought of Alexander Mack, founder of the Brethren Church, Church of the Brethren, Grace Brethren, and other Brethren groups.
http://www.cob-net.org/mack/honors.htm
Dunkard Brethren Church 
History, beliefs, and church locations of this small group. Churches are predominantly in the Midwest.
http://www.dunkardbrethrenchurch.com/
Mutual Aid Association 
Provides insurance protection for Brethren. Members or regular attendees of a Church of the Brethren, Dunkard Brethren, Brethren Church, Old Order German Baptist Brethren, German Baptist Brethren, Grace Brethren and other traditionally Brethren related churches are eligible for insurance.
http://www.maabrethren.com/