Modifiche

==Riferimenti esterni==

==Riferimenti esterni==

* https://web.archive.org/web/20120314000506/http://www.kamakurapens.com/Paul_Wirt/Paul_Wirt_Company_History.html

* [https://web.archive.org/web/20120314000506/http://www.kamakurapens.com/Paul_Wirt/Paul_Wirt_Company_History.html] Storia di Paul Wirt, dal sito dismesso di Kamakura Pens.

* https://web.archive.org/web/20081227221509/http://www.penbid.com/Auction/showarticle.asp?art_id=105

* [https://web.archive.org/web/20081227221509/http://www.penbid.com/Auction/showarticle.asp?art_id=105] Articolo su Wirt sul sito dismesso di PenBid.

* https://web.archive.org/web/20100206193921/http://www.wirtpens.com/ sito non più disponibile, la versione archiviata si vede male

* [https://web.archive.org/web/20100206193921/http://www.wirtpens.com/] Sito dimesso, la versione archiviata è in nero su nero.

* https://web.archive.org/web/20140104041841/http://paulwirt.com/

* [https://web.archive.org/web/20140104041841/http://paulwirt.com/] Sito dismesso sull'azienda.

* https://web.archive.org/web/20120304230247/http://www.kamakurapens.com/WirtCollectionIndex.html

* [https://web.archive.org/web/20120304230247/http://www.kamakurapens.com/WirtCollectionIndex.html] Sezione dedicata all'azienda sul sito dismesso di Kamakura Pens.

* http://www.pensandwatches.com/_pages/pen_company_photos/paul_wirt_fountain_pens.htm

* [https://web.archive.org/web/20120712004410/http://www.pensandwatches.com:80/_pages/pen_company_photos/paul_wirt_fountain_pens.htm] Pagina su Pen & Watch

* http://forum.styloplume.net/viewtopic.php?f=29&t=843  

* [https://www.stylo-plume.org/viewtopic.php?f=29&t=843] Pagina sul forum francese.

==Note==

==Note==

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