Sources!

Here is a list of where I found all of my information...

http://arealiensreal.org/crop-circles/

http://www.cropcirclesecrets.org/crop_circles_early.html

http://www.cropcircleconnector.com/index2.html

http://www.world-mysteries.com/sci_14.htm

http://www.phils.com.au/cropcircle.htm