Modifiche

==External references==

==External references==

* 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

* http://www.penbid.com/Auction/showarticle.asp?art_id=105 sito non pià disponibile

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

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

* http://web.archive.org/web/*/http://www.wirtpens.com/ archived version is bad to see

* http://www.paulwirt.com/  

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

* http://www.kamakurapens.com/WirtCollectionIndex.html

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

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

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

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

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

==Notes==

==Notes==

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