| 1. | Bert Janssen | | | Articles, films and photos from Netherlands based researcher Bert Janssen. His thoughts and articles on crop circles. His encounters with light anomalies and his work on ancient sites. www.bertjanssen.nl |
| 2. | Frank Laumen | | | Home of the German crop circle researcher and photographer. www.franklaumen.de |
| 3. | Crop Circle Radius | | | Michael Glickman and Patricia Murray's research. The form and function of the crop circles are examined through field surveys, geometrical analysis, aerial photography, books and videos. www.cropcircleradius.com |
| 4. | The Crop Circular | | | The regularly updated crop circles site of researcher/lecturer Freddy Silva, offering factual research dedicated to the appreciation and understanding of crop circles, the most dynamic form of multi-dimensional communication to appear in our history. home.clara.net |
| 5. | Lucy Pringle | | | Excellent pictures taken since 1996 by Lucy Pringle, articles, you can order cards, prints, books, calendars and other related merchandises. home.clara.net |
| 9. | Peter Sorensen | | | Peter R. Sorensen is a researcher who has videotaped more crop circles than anyone else in the last eight years; pages also include portraits of many crop circle researchers, centuries-old Circle Graffiti in Winchester Cathedral, articles. cropcircleconnector.com |
| 10. | CropCircleAnswers.com | | | Home of researchers Ed and Kris Sherwood. Includes extensive crop circle luminosity research and photographic evidence of anomalous 'balls of light'. www.cropcircleanswers.com |
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