Bach Cantatas Website: John Eliot Gardiner: Biography, photos, information about recordings of Bach, and links to other sites.
Decca Classics: John Eliot Gardiner: Biography, and information about recent recordings.
Gardiner, John Eliot: Biography with his education and influences. From the Grove Concise Dictionary of Music entry at WQXR radio.
Monteverdi.co.uk: Website of the Monteverdi Choir, English Baroque Soloists, and Orchestre Révolutionnaire et Romantique. Information about the groups, their performances and recordings.