Agroglyphe
www.encyclopedie-1.com/a/ag/agroglyphe.html

Publisher: Encyclopedie-1.com

French

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Crop Circles
skepdic.com/cropcirc.html

Possible scientific explanations for the existence of crop circles.

English

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Crop circles
www.lovely.clara.net/crop_circles_sound.html

Essay addresses the possibility that crop circles are caused by sound

English

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Crop circles
www.cropcircleresearch.com/index2.html

This site includes several articles on crop circles, a brief history of UFOs, and a discussion forum.

English

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Crop circles
www.lovely.clara.net/education.html

General information on crop circles, how they are formed, hoaxes

English

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Crop circles - Canada
www.cropcirclequest.com/

List of Canadian crop circles sites, with photographs.

English

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Crop circles - history
www.lovely.clara.net/history.html

History of crop circles from 1972-2003; includes essays and photographs.

English

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