scrappin it: How to Age Paper - 6 easy technique to make paper look old
one clever mom: How to Antique Paper - cool for making "clues" for a treasure hunt (and easy)
Two Techniques for Aging Paper with Coffee. Great for Journal Projects or Book of Shadows.
How to antique paper. "Paint" coffee all over it and bake in oven -- great for cards and invites! I've been doing this for years! LOVE it!
How to Age Paper Using Tea: 24 steps (with pictures) - wikiHow
Plenty of ressources to make your own grimoire, Necronomicon, Book of Spells. Take a look at the "Aging Paper" section
How to age paper (Tea Stain) tutorial
How to print and age paper to look like old book pages..
distressing paper or most anything with shoe polish...gives it an old aged look.
Plan on doing a little antique paper making with some Christmas sheet music to hang around the house for the holidays! :)