* Linnaeus, C. 1758. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio Decima, Reformata. Tomus I. Holmiæ (Stockholm): impensis direct. Laurentii Salvii. 824 pp. DOI: 10.5962/bhl.title.542 BHL p. 105 BHL
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== Bibliografia ==
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* Alan Mitchel (1976). Nuestros amigos los pájaros. Ediciones Mensajero. ISBN 84-271-1133-9
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* [https://web.archive.org/web/20091005231943/http://www.corvuscoronecorone.com/ HOME of the corvus corone corone]
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* Hume. Rob. 2002. Guía de campo de las aves de España y Europa. Ediciones Omega ISBN 84-282-1317-8
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* Rolando, A. (1993). A Study on the Hybridization between Carrion and Hooded Crow in Northwestern Italy. Ornis Scandinavica (Scandinavian Journal of Ornithology), 24(1), 80–83. https://doi.org/10.2307/3676414