The Virtual Times: Unusual Experiences with Lightning
Unusual experiences with lightning and ball lightning as related by eye witnesses.
http://hsv.com/weather/unusual/

Ball Lightning bibliography
A not-commented partial bibliography about the subject.
http://www.fis.unipr.it/~albino/documenti/Bibliografia_BL.html

The Truth About Ball Lightning
Read fabulously absurd truths and untruths about ball lightning.
http://tangmonkey.com/balllight/

Theory of Ball Lightning
Storm News article: "A Theory of Ball Lightning as an Electric Discharge" by Dr. John J. Lowke.
http://www.australiasevereweather.com/storm_news/2000/docs/0006-02.htm

Ball Lightning
A summary page about the phenomenon.
http://www.tbns.net/mediapoet/tech19b.htm

Physics : Great Balls of What?
An article from Nature.com.
http://www.nature.com/nsu/000203/000203-8.html

Far News: Ball Lightning Experiments Produce UFOs
Two researchers in a lab in New Zealand say their experiment may explain enigmatic weather phenomena such as ball lightning.
http://home.dmv.com/~tbastian/balite.htm

Scientific American: Ask the Experts: Ball Lightning
According to a statistical investigation, approximately 5% of the world population have witnessed ball lightning. Various physical theories are presented here.
http://www.sciam.com/askexpert_question.cfm?articleID=000CB330-61BF-1C71-9EB7809EC588F2D7

New Lead for Fireball Riddle
A BBC news article on New Zealand scientists who believe that ball lightning is little more than burning soil fragments that have been kicked up into the air.
http://news.bbc.co.uk/1/hi/sci/tech/628709.stm

Archive of Ball Lightning reports
A large collection of stories submitted by "BL" eyewitnesses. Add your own report.
http://amasci.com/weird/unusual/bl.html

Does Ball Lightning Really Exist?
Reviews the evidence and witness accounts of ball lightning.
http://www.straightdope.com/columns/040917.html

Atmospheric Electricity
A meta-reference general page about Atmospheric Electricity, with a bibliography and links.
http://ae.nsstc.uah.edu/

Ball Lightning Discussion - Chukanov Energy, Inc.
Lots of information and speculation.
http://www.chukanovenergy.com/index.php?section=69

Eddy Current Model of Ball Lightning
Theory accounting for the formation and major properties of ball lightning.
http://jasia.ca/jaydshelton/balllightning/