Alcoholics Anonymous:

• AA World Services/information

• Big Book of Alcoholics Anonymous From World Services.

• Big Book of Alcoholics Anonymous Edition 4, PDF version. 

• Big Book of AA, First Edition Stories, Second Edition Stories. 

• Twelve and Twelve From World Services. 

• Daily Reflections From World Services.

• As Bill Sees It  -  Not from World Services

• Living Sober pdf. Not from World Services. 

• A.A.W.S. eBook publishing program From Worlds Services

• If God Spoke to AA He Might Have Said ..

Narcotics Anonymous:

• NA World Services/information

• The Basic Text - 5th Edition Online

• Pamphlete Co-Founders

Al-anon

• Al-anon World Services/information

• Free Downloads from Al-anon Family Services.

Other literature and audio recordings.

• Dopesick: Dealers, Doctors, and the Drug Company that Addicted America - by Beth Macy.

• "A Meeting On Tape" AMOT,
  ia an excellent website featuring AA, Al-anon recordings. Check it out.

• In The Rooms - features live Video meetings and recordings for AA, Al-anon, NA and several other self help groups - per website 130 different live meetings.