Here are some links you might find interesting - especially the Somali web sites 

Electronic Register of Somalis A US History of the Somali (US)
Makeitso Abyssinians & Somalis Tilsim dan Somalis & Abyssinians
Cat Clubs & Registration Bodies
Somali Cat Club (UK) General Council of the Cat Fancy (GCCF) (UK) General Council of the Cat Fancy (GCCF) (UK)
Somali Cat Club of America (US)    
International Cat Care formerly Feline Advisory Bureau The Cat Group (UK)
Winn Feline Foundation (US)    

ASPCA Cat Care Videos

Cornell's "How to Videos"

2010 World Small Animal Veterinary Association (WSAVA) Vaccination Guidlines Cornell Feline Health Center (US)
How to understand your cat's body language and mood Claw Clipping video
  Alan Robinson's Website (UK Cat Photographer)    

All photos/logos are from the relevant website