One of your biggest and most constant sources of info on the subject will, of course, be within TBM.
Many great suggestions above as well! Find them all in time.
If you have a complete interest in our sport and history plays a big part, I’d also suggest any of the Traditional Bowyer’s Bible issues out. Many can be picked up reasonably on the auctions.
They are a combo of hunting, history and bowmaking from various authors chosen for their expertise in several fields.
G. Fred Asbel is another that will always keep your attention focused as well, in books or articles.