The "Bible Students" still exist today, and they still believe everything that Chuck Russell taught. The have the "present truth" versions of all Pastor Chuck's books available online and in hard copy at very low prices.
If you are looking for VINTAGE Chuck Russell prognostications, eBay and patience are your best allies. Sometimes people dump "estate sale" WT libraries without knowing that some items have collector's value because of the aged-in-the-bottle bullshit they contain.
If you are ambulatory, you might want to wobble in to some of your local charity outlet stores if you have some in your area. They can also be a source of "estate sale" libraries, because Jehovah's Witnesses, contrary to their prophecies have not stopped dying - but of course they have the hope of a ressurrection. (fat chance!)