Home page of Isaac Bonewits (http://www.neopagan.net/)
Bonewits is a widely read scholar of ancient and neo-paganism, and a priest and organizer of groups. Site contains lots of his writings and other stuff.

http://witchcraft.simplenet.com/
The main content is the site's "Library of Witchcraft". At least some parts of it apparently are original writings by the site author. Covers Afican witchcraft; the Salem trials; the European persecutions; etc..

Joan's Witch Directory: The European Witch Trials (http://www.rci.rutgers.edu/~jup/witches/)
Serious witchcraft-history site, by a non-pagan.

Web Sites Related to the Witchcraft Bibliography Project (http://www.hist.unt.edu/witch03.htm)
For the serious student.

The Witch Hunts: The End of Magic and Miracles (http://www.warmcove.com/cove/morningstar/chapter8.html)
A whole chapter from The Dark Side of Christian History, a book by Helen Ellerbe, is posted online here. It's "Chapter Eight: 1450 - 1750 C.E.", which covers the "witchcraft" persecutions. The book: Morningstar Books, 1995; ISBN 0-9644873-4-9; $12.95 paperback.

DIVINING FOR WITCHES; OR WITCHES: A PATHFINDER (http://www.people.virginia.edu/~pm9k/libsci/witches.html)
Essentially a bibliography.