Hi !
I get my paper from a wonderful place called The exotic paper company. they actually make paper from things like Denim, discontinued bank notes, banana skins, as well as rhino/elephant/giraffe dung. I originally come from south Africa and using animal dung for recycled paper was quite common, especially as most of the money went back into animal conversation,
But one thing I noticed when I made my journals was that there was a lot of waste paper, so I actually starting recycling the paper my self, though it can be a lengthy process. I usually make big sheets and then cut to size.
I am currently negotiating with a potential custom order, she likes my journals but because she is an artist she wants quality smooth paper. So I looking for sketch paper in bulk as this book could well be over 400 pages. My mom has shown me a few good craft places that do normal recycled paper too.