
I don't know about the Ridgeback parent breed club, but in my breed the yearly Journals (yearbooks) have not only stud and breeder adverts and photos's but all the litter registration, new champions etc details, show wins for that year, etc.
It would be a good idea after joining the breed club to purchase back issues of these anuual publications.
I started with the last 10 years, then got the 10 befor that, and have many going back right to the 1950's.
You can then see pictures of famous ancestors, and often ones of them as pups and young dogs which is very interesting.
You can see where certain traits seem to strongly come from too.