eMedicine Health: Sudden Infant Death Syndrome (SIDS) - Outlines the features and current information on causes, with advice on when to seek medical care. - http://www.emedicinehealth.com/sudden_infant_death_syndrome_sids/article_em.htm
Wikipedia: Sudden Infant Death Syndrome - Article covering risk factors, prevention and speculative research. - http://en.wikipedia.org/wiki/Sudden_infant_death_syndrome
BBC - Health: Cot death - Overview, advice on risk reduction and links to other related articles (including safe sleeping and a transcript of a Q&A session) on the BBC site. - http://www.bbc.co.uk/health/conditions/cotdeath2.shtml
SIDS Families - Support for grieving families. Includes postcards, chat room, message board, poetry, advice and suggestions. - http://www.sidsfamilies.com/
The Angel with the Golden Glow - A children's story about a little angel who shares his story of hope and love. Offers hope and healing to families dealing with the loss of an infant. - http://www.angelwiththegoldenglow.com