Below are some useful links for each breed.  

KUVASZ

AKC Official Standard for the Kuvasz 

                                                   https://images.akc.org/pdf/breeds/standards/Kuvasz.pdf

The Kuvasz Club Of America 

https://kuvaszclubofamerica.org

                                                                AKC Breed Information on the Kuvasz

https://www.akc.org/dog-breeds/kuvasz/

PUMI

AKC Official Standard for the Pumi

https://images.akc.org/pdf/breeds/standards/Pumi.pdf 

AKC Breed Information on the Pumi 

https://www.akc.org/dog-breeds/pumi/

Hungarian Pumi Club of America 

https://pumiclub.org