more so from areas under/around trees.
i've distressed/aged quite a bit a furniture through the years and once you get the feel for it and the right mixture, you can age anything, including paper.
Anybody have any tricks for yellowing paper? I'm trying to get the "Wanted" poster look on some Arches paper...I'm looking for a subtle effect. It should be noted that my little brother already suggested to "piss on it", thanks though
This site has some good info on using lemon juice to age paper.