About Russian Blue Breed
Here are some of the best sources of information about Russian Blue cats based on Russian Blue CFA standards.
CFA About the Russian Blue Breed | Russian Blue breed standards
You can learn about the Russian Blues from CFA RB page. CFA also prepared a breed standard presentation for easy comprehension.
Russian Blue Council | collection of past year Russian Blue top cats
This is a site by the collective effort of CFA Russian Blue breeders. It contains photos of past Russian Blue National Winners & Distinguished Merit as well as the lists of Regional Winners & Grand CH/Grand PR. You will also be able to see the the best of the amazing breed.
There is also an detailed response demystifying the anecdote of Russian Blue being "hypoallergenic" - no, they are not hypoallergenic.