Spanish Enigma: A History of the Enigma in Spain by José Ramón Soler Fuensanta, Francisco Javier López-Brea Espiau, and Frode Weierud Author Posting. © Taylor & Francis Group, LLC, 2010. This is the author's version of the work. It is posted here by permission of Taylor & Francis Group, LLC for personal use, not for redistribution. The definitive version was published in Cryptologia, Volume 34, Issue 4, October 2010. DOI:10.1080/01611194.2010.485414 (http://dx.doi.org/10.1080/01611194.2010.485414 ). To cite this article: Fuensanta, José Ramón Soler, Espiau, Francisco Javier López-Brea and Weierud, Frode (2010) 'Spanish Enigma: A History of the Enigma in Spain', Cryptologia, 34: 4, 301−328.