José Salas Valdés (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "José Salas Valdés" in Spanish language version.

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1books.google.com

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books.google.com

Howgego, Raymond John (2004). Encyclopedia of exploration, 1800 to 1850: a comprehensive reference guide to the history and literature of exploration, travel and colonization between the years 1800 and 1850. Hordern House. ISBN 978-1-875567-44-7. Consultado el 20 de julio de 2012.