That link to Ferret's page that Kosherboy gave you, that's a good place to get step by step instructions. Also, this one:

http://mysite.verizon.net/georgeandjoni/archer.html

Check the articles posted on Dean Torges' site. Good place to find tools and stuff also, but pricey:

http://www.bowyersedge.com/

The Traditional Bowyer's Bible series of books is excellent. Also Hunting the Osage Bow by Dean Torges.