Frontera natural (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frontera natural" in Catalan language version.

refsWebsite

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1web.archive.org

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web.archive.org (Global: 1^st place; Catalan: 1^st place)

François Pernot, Janvier 1595 : Henri IV veut couper le Camino Español en Franche-Comté, Revue historique des armées, n. 222, anno 2001, [1], pag. 13-24

worldcat.org (Global: 5^th place; Catalan: 5^th place)

Carlton, J. H. Hayes. A Political and Social History of Modern Europe, volume 1. New york: Macmillan, 1916, p. 119. OCLC 2435786.