* Coile, D. Caroline (2006). The Cocker Spaniel Handbook. Barron's Educational Series Inc. ISBN 978-0-7641-3459-3
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* Podberscek AL & Serpell J A (1996) The English Cocker Spaniel: preliminary findings on aggressive behaviour. Applied Animal Behaviour Science 47: 75-89 cited by Linda Ward (2002). «Rage syndrome»
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* Slater, Margaret horrid henry !R. (1998). «English Cocker Spaniel Health Survey Final Report». English Cocker Spaniel Club of America
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== Bibliografia ==
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* Amat, Marta; Xavier Manteca, Valentina M. Mariotti, José Luís Ruiz de la Torre, Jaume Fatjó (mayo de 2009). «Aggressive behavior in the English cocker spaniel». Journal of Veterinary Behavior: Clinical Applications and Research (Universitat Autònoma de Barcelona, Bellaterra: School of Veterinary Medicine)
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* Cassidy, Kelly M. (2007). «Dog Longevity Web Site, Weight and Longevity page»
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* Slater, Margaret R. (2002). «The 2002 English Cocker Spaniel Health Survey Report». English Cocker Spaniel Club of America
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* Viegas, Jennifer (22 de mayo de 2009). «World's Meanest Dog: The English Cocker Spaniel?»