Anxiety Disorders Association of America
General information, referral information, patient materials, screening
measures, and medication information (see also anxieties.com)

Anxiety Disorders Clinic, McMaster University Medical Centre
General information, patient materials, and Canadian referral information

Freedom From Fear
General information, patient materials, screening measures, and
medication information

National Institute of Mental Health-Anxiety
General information, referral information, patient materials in English and Spanish. screening  measures, and medication information

Lifeline Anxiety Disorder Newsletter

Mental Health: A Report of the Surgeon General

Mental Health Net
The Mental Help Net website exists to promote mental health and wellness education and  advocacy.

American Psychological Association
Information about anxiety from the American Psychological Association - a scientific and professional organization that represents psychology in the United States.

American Psychological Association Mental Health Links

Academy of Cognitive Therapy

American Board of Professional Psychology

Center for Anxiety and Related Disorders

International OCD Foundation (IOCDF)
An international not-for-profit organization made up of people with Obsessive Compulsive Disorder (OCD) and related disorders.

ISTSS
An international, interdisciplinary professional organization that promotes advancement and exchange of knowledge about traumatic stress.

The Social Anxiety Network
Many resources related to social anxiety.  From quick facts to audio.

National Institute of Mental Health
Publications about Anxiety Disorders