BBC News - 'I make crop circles': The Mel Gibson film, Signs, has renewed interest in who - or what - might make crop circles. Here, John Lundberg tells of his nights in the fields of Wiltshire.
Circlemakers: A site for England's crop circle makers. Provides photographs, witnesses, case histories, and perpetrator profiles.
Crop Circles - BBC Science & Nature: Are crop circles made by human beings? Read about the hobby of circlemaking.
Guardian - Ever increasing circles: Article about the worlds largest crop circle which speculates on its possible man made origins.
Leaders in the field: Fortean Times interviews four circlemakers.
MSNBC - It’s harvest time for crop-circle hype: Fans of the formations and ‘circlemakers’ have their day in the sun
National Geographic - Crop Circles: Artworks or Alien Signs?: The battle to explain the crop circles is a torrid wrestling match between artists and people who believe in other-worldly influences.
NHNE Special Report: Sherry Stultz in-depth report about her time spent time with crop circle research and makers in the UK.
Observer - Hollywood falls under crop circles' spell: Article about the largest gathering of circlemakers in history for a special screening of the crop circle movie 'Signs'.
SandCircles: I don't live near any crops, however, the beach is quite close. This is my own unique contribution to crop circle enthusiasts. They've been dubbed sandcircles.
Signs of the Times: A-Z of odd jobs, tells you how to become a crop circle maker.
Telegraph - The fellowship of the rings: Circlemaker John Lundberg talks about his crop circle making career. ( site requires (free) registration)
The expert faker: Everything you need to know about crop circles Q and A with circlemaker John Lundberg.
The Hoaxers - Physicists, Scientists, Stompers: Marcus Allen's article about the secret history of crop circle making.
Time Magazine - It Happens in the Best Circles: A pair of British artists claim they are the hoaxers behind those mystifying and intriguing crop patterns.
Washington Post - Fertile Imaginations: The real story of those mysterious circles runs rings around the movie "Signs". (requires (free) registration)
Wheat Dreams: Interview with circlemaker Rod Dickinson.