Steven the books you refer to seem to be Bill Cohenour's "Comprehensive Nevada Silver Strike Reference Catalog" and you can email him at
wcohenour@earthlink.net and Howard Herz's "Howdy's Illustrated Guide to Nevada Silver Strike Redeemable Premium Tokens" you can contact him at Gaming Archaeology P.O. box 1000 Minden,Nv. 89423 or chipmaster@chipmaster.com At this time we don't have an online registation set up to my knowledge. You can go to http://www.silverstrikers.com/ and on the left side of the page is a club application. Copy it and send it in to the address at the bottom. Let me be first to welcome you to the "club" there are several hundred members waiting to help and trade strikes. Other catalogs are available "Non-Nevada Silver Strikes" by Christie Gregory and Dennis Finn their contact is swisscaps@venus.net
Richard Anderson plublished A Price Guide his contact is rbainlv@earthlink.net and I believe you can still pick up Lisa Jung's "Striking Differences" contact is lisa@lvha.net.