More Than Two: polyamory resources and guidelines
https://www.morethantwo.com/

Straight Spouse Network
http://www.straightspouse.org/

Living Fabulous: celebrating bisexuality and gender diversity
http://livingfabulous.org/

Intersections: Exploring the rich tapestry of gender, sexuality and relationships through audio and video interview
https://www.intersectional.info/

Mixed-Orientation Marriage: Pathways to Success
Readings for couples in a mixed-orientation marriage who are seeking success
http://mixedorientation.com/

Psychology Today
Referral site for counselors who have experience in human sexuality; marriage and family therapy; LGBT issues; and mixed orientation marriages.
http://therapists.psychologytoday.com/

American Sexual Health Association
http://www.ashasexualhealth.org/

EMDR Institute, Inc. (Eye Movement Desensitization and Reprocessing)
Providing effective therapy for treatment of trauma
http://www.emdr.com/

American Association of Sexuality Educators, Counselors & Therapists
http://www.aasect.org/