Companies like Ohara Publications (now part of Tuttle), Masters of Mayhem , or Karate Do Press sometimes release limited-run PDFs. Search for “Okinawa Goju-Ryu digital download” or contact the Okinawa Goju-Ryu Kenkyukai .
Traditional Karate-do Okinawa Goju Ryu, Vol. 2: Performances of the Kata traditional karate do okinawa goju ryu vol 2pdf exclusive
If "Vol 2" is an exclusive, in-demand resource, consider: Companies like Ohara Publications (now part of Tuttle),