I have being making bows since I learned how to walk and hold a machete in my hand, it was the only tool I used when I was a boy, then I got into shop in Jr. high and learned to use machines.
Then i left the trd. bowing and got into compound bows, then recently i got the Bug for longbows again, since last year I have made about 20 for myself and friends, the best free instructions you can get are from Micky Lotz site on the net.

http://groups.msn.com/ferretsarcherywebpage

You can join free and read all the instructions on different types of longbow making, good luck.