Convenient Links

The Supernatural Wiki: a good source, but doesn't have everything:

http://www.supernaturalwiki.com/index.php?title=Main_Page

TV Duck: a good springboard from which to search for SPN Episodes online:

http://www.tvduck.com/Supernatural.html

See also: This site is particularly good, though lately very spammy.

http://free-tvshows.com/super.html
Wanna be a villain in Supernatural but don't know where to begin?

These could be fun:

A Haunting (Discovery TV show)
Goodies!

The Demon Hunter's Compendium

The Supernatural
More goodies!

Amusing, not really helpful or informative (and a strong language warning).

6 Popular Monster Myths from Cracked.com
Maeglin said it might be helpful I am not really sure about it.

Those exorcism work against demon and are extracts from the 1952 Rituale Romanum

Exorcism

An Ordination of exorcist

Exorcismus in Satanam et Angelicos Apostaticos

English - Latin translator it is not the best one, but at least if give you a clue what you are looking at

An since we are using it a lot here are the blessing for Holy Water
Here's a good link for those of you who are NOT gun nuts and need a place to look stuff up...

Or a place for those of us who *are* gun nuts and are looking for a good time!

Internet Movie Firearm Database