Ducado de la Pentápolis (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ducado de la Pentápolis" in Spanish language version.

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320^th place

archive.org

Hutton y Sund, 1913, p. 119. Hutton, Edward; Sund, Harald (1913). Ravenna: A Study. London, United Kingdom and Toronto, Canada: J. M. Dent and Sons Ltd.
Noble, 1984, pp. 3–5. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8. (requiere registro).
Noble, 1984, p. 44. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8. (requiere registro).
Noble, 1984, p. 35. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8. (requiere registro).
Noble, 1984, pp. 56–58. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8. (requiere registro).

Hallenbeck, 1982, p. 7. Hallenbeck, Jan T. (1982). «Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century». Transactions of the American Philosophical Society (Philadelphia, Pennsylvania) 72 (4): 1-186. doi:10.2307/1006429.

Kampers, 1911. Kampers, Franz (1911). «Pepin the Short». Catholic Encyclopedia. vol. 11. New York: Robert Appleton. Consultado el 13 de septiembre de 2017.