Childbirth Classes:

The Bradley Method: www.bradleybirth.com, 1-800-4-A-BIRTH
International Childbirth Education Association (ICEA): www.icea.org

Find a Doula:

Doulas of North America (DONA): www.dona.org

Find a Midwife:

American College of Nurse Midwives (ACNM): www.midwife.org

Research Sites:

International Cesarean Awareness Network (ICAN): www.ican-online.org
Baby Center: www.babycenter.com
Midwifery Today: www.midwiferytoday.com
Gentle Birth Midwife Archives: www.gentlebirth.org/archives
Waterbirth International: www.waterbirth.org

Dental Care and Pregnancy: www.emergencydentistsusa.com/dental-care-pregnancy

Books:

The Thinking Woman's Guide to a Better Birth, by Henci Goer.
Ina May's Guide to Childbirth, by Ina May Gaskin.
The Birth Book, by Dr. William Sears.
Gentle Birth Choices, by Barbara Harper and Suzanne Arms.
Hearts and Hands, by Elizabeth Davis.
Husband-Coached Childbirth, by Dr. Robert Bradley.
Natural Childbirth the Bradley Way, by Susan McCutcheon.