http://www.lgancce.com/ The Spanish Stud Book authority in Spain. Details of all registered PREs are listed including breeder, pedigree & current owner
http://www.bapsh.co.uk/ The British Assoc for the Purebred Spanish Horse
http://www.ukpetnanny.com/ As well as being a well respected pet nanny, Caroline is a fantastic animal artist and her site is well worth a look. She also owns Aztecs Zaffira, Aztecs Acuarela & Aztecs Adriana.