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"1694 Irpinia-Basilicata". Catalogue of Strong Earthquake sin Italy (in Italian). Archived from the original on 21 September 2016. Retrieved 6 January 2018.
"1732 Irpinia". Catalogue of Strong Earthquakes in Italy (in Italian). Archived from the original on 1 September 2016. Retrieved 6 January 2018.
"1930 Irpinia". Catalogue of Strong Earthquakes in Italy (in Italian). Archived from the original on 9 October 2017. Retrieved 6 January 2018.
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DeParisio, Guglielmo (7 April 2012). "Lucera: memoria e cultura" [Lucera: memory and culture] (in Italian). Archived from the original on 5 March 2016. Retrieved 27 December 2017.
Giustiniani, Lorenzo (1802). Dizionario geografico-ragionato del Regno di Napoli [Geography-based dictionary of the Kingdom of Naples] (in Italian). Vol. 5. Presso V. Manfredi. pp. 135–136. Archived from the original on 27 January 2016.
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"Prodotti tipici Guardiesi" [Typical Guardiese Products]. Cumbafonzu (in Italian). Archived from the original on 3 July 2007. Retrieved 29 December 2017.
"Miele Beveri" [Beveri Honey]. Cumbafonzu (in Italian). Archived from the original on 5 July 2007. Retrieved 29 December 2017.
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"Bianco". Associazione per lo sviluppo dell'industria nel Mezzogiorno (in Italian). Archived from the original on 30 December 2017. Retrieved 29 December 2017.
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