Asociación Española del Perro Mastín Español (AEPME) - The official breed club in Spain. Information, history, photogallery, results of specialty shows and championships, club magazine 'Carlanca', litters and stud dogs. In English and Spanish. www.aepme.org
Mastín Español Club of America (MECA) - General information about standard and care, history, photogallery and ARBA show results. www.qnet.com/~norona33
