Beelzebub and the Fallen Angels: A Brief history of the legend of the Fallen Angels through various societies. Also includes some information on The Watchers and a list of Fallen Angels and the meaning of their name.
Fallen angel: Wikpedia article explains the concept. Provides extra information on many of them.
Fallen Angels: Small list of fallen angels.
Fallen Angels and Demons: Details the biblical teaching about the origin and activities of the fallen angels and the demons.
Fallen Host: From Paranormality. Balanced article on fallen angels and their origins.
Of Fallen Angels: Discusses Lucifer and the Watchers.
The Origin of Demons and the Exorcist's Manual: Describes demons, fallen angels, grigori and the nephilim.
War In Identity: Modern politics mixing with ancient writings on Satan.