Modifiche

Da finire

Da finire

Riferimenti: [http://www.campsilos.org/excursions/grout/two/act5i.htm], [https://web.archive.org/web/20060205083718/http://www.wplwloo.lib.ia.us/History/WlooBios/WilliamWelty.html], [http://www.richardspens.com/ref/glossary/W.htm#welty], [http://www.pensandwatches.com/_pages/pen_company_photos/welty_fountain_pens.htm]

Riferimenti: [http://www.campsilos.org/excursions/grout/two/act5i.htm], [https://web.archive.org/web/20060205083718/http://www.wplwloo.lib.ia.us/History/WlooBios/WilliamWelty.html], [http://www.richardspens.com/ref/glossary/W.htm#welty], [http://www.pensandwatches.com/_pages/pen_company_photos/welty_fountain_pens.htm], [http://munsonpens.wordpress.com/category/welty-pen-company/]

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==Note==

==Note==