Just a heads-up that Ken Hash at ClassicBilliards.net is selling the Third Edition of The Billiards Encyclopedia for $69.95. For those unfamiliar, it was compiled by Victor Stein and Paul Rubino. That's an incredible price for this resource.
https://www.classicbilliards.net/antique-parts-accessories/miscellaneous/billiard-encyclopedia.html
https://www.classicbilliards.net/antique-parts-accessories/miscellaneous/billiard-encyclopedia.html