Pisa is twinned with:[42]
Ragusa is twinned with:
References
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^ a b c d e f g h i j k l m n o p q r s t u v "Douzelage.org: Member Towns" . www.douzelage.org. Retrieved 21 October 2009 .
^ Town Twinnings and international relations (from the official city website. Accessed 11 August 2008.)
^ a b c "NYC's Sister Cities" . Sister City Program of the City of New York. 2006. Retrieved 1 September 2008 .
^ Patto di amicizia tra la città di Arequipa e la città di Firenze [Firenze – Arequipa]
^ Avventure nel Mondo – Centro di Documentazione
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^ a b "A Message from the Peace Commission: Information on Cambridge's Sister Cities," 15 February 2008. Retrieved 12 October 2008.
^ a b Richard Thompson. "Looking to strengthen family ties with 'sister cities'," Boston Globe , 12 October 2008. Retrieved 12 October 2008.
^ a b "Twinning Cities: International Relations (NB Florence is listed as 'Firenze')" (PDF) . Municipality of Tirana . www.tirana.gov.al. Retrieved 23 June 2009 . Cite error: The named reference "International relations" was defined multiple times with different content (see the help page ).
^ "Yerevan Municipality – Sister Cities" . www.yerevan.am. Retrieved 22 June 2009 .
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^ Section about the partnership between Ledro (Valle di Ledro) and the Czech municipalities on the city web of Nový Knín
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^ The City of Bethlehem has signed a twinning agreements with the following cities Bethlehem Municipality.
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^ "Acordos de Geminação" (in Portuguese). © 2009 Câmara Municipal de Coimbra - Praça 8 de Maio - 3000-300 Coimbra. Retrieved 25 June 2009 .
^ Parabiago-Samobor in italian
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^ a b c d e f g "Pisa – Official Sister Cities " . © Comune di Pisa, Via degli Uffizi, 1–56100 Pisa centralino: +39 050 910111. Retrieved 16 December 2008 .
^ "List of Twin Towns in the Ruhr District" (PDF) . © 2009 Twins2010.com . Retrieved 28 October 2009 .
^ http://www.e-patras.gr/portal/web/common/134
^ http://www.paris.fr/english/paris-a-city-with-an-international-profile/international-action-cooperation/twinning-with-rome/rub_8139_stand_29903_port_18784
^ "Les pactes d'amitié et de coopération" . Mairie de Paris . Retrieved 14 October 2007 .
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^ http://www.thenews.com.pk/daily_detail.asp?id=145013
^ Friendly relationship at Official website of Volgograd
^ Morgan, Glennisha (30 January 2013). "Venice To Cut Ties With St. Petersburg Over Anti-Gay Law" . The Huffington Post . Retrieved 8 August 2013 .