Poking around the internets and found this little gem of a site that digitally archives out of copyright material:
http://www.archerylibrary.com/
About:
The Archery library is an online library containing digital versions of old archery books, prints and articles from times past.
On this site you can find the full text of a number of books and articles and a small selection of archery prints.
The books available give an overview of the development of archery through the ages, from weapon of war to high society pastime, hunting and the beginnings of modern target archery.