Other
Sada: Sad Association
This is the largest surviving support organization to help support and advise sufferers of SAD.
Other
Sunnex: The History of Light Therapy
Contains a brief history of the use of light to treat Seasonal Affective Disorder. Includes information about case studies, time periods, and reliability.
Other
Guide to Seasonal Affective Disorder
This site give information on SAD, effects it has on people, and what causes it.