A Edward Lewis paper, with the discussion of ball lightning as plasmoids.
A meta-refence general page about Atmospheric Electricity, with a bibliography and links.
Unusual experiences with lightning and ball lightning as related by eye witnesses.
Lots of information and speculation.
A not-commented partial bibliography about the subject.
Read fabulously absurd truths and untruths about ball lightning.
Storm News article: "A Theory of Ball Lightning as an Electric Discharge" by Dr. John J. Lowke.
Theory accounting for the formation and major properties of ball lightning.
A summary page about the phenomenon.
An article from Nature.com.