Modifiche

* [https://web.archive.org/web/20141108010831/http://www.rickconner.net/penoply/sh.0.html] Pagina su penoply

* [https://web.archive.org/web/20141108010831/http://www.rickconner.net/penoply/sh.0.html] Pagina su penoply

* [https://web.archive.org/web/20160304172630/http://www.rickconner.net/penspotters/sheaffer.html] Pagina su penspotters

* [https://web.archive.org/web/20160304172630/http://www.rickconner.net/penspotters/sheaffer.html] Pagina su penspotters

* [http://www.pendemonium.com/pens_sheaffer_dates.htm] Piccola cronologia

* [https://web.archive.org/web/20080207104122/http://www.pendemonium.com/pens_sheaffer_dates.htm] Piccola cronologia

* [http://www.sheafferflattops.com/] Blog sui modelli [[flat top]]

* [https://web.archive.org/web/20131003170154/http://www.sheafferflattops.com/] Blog sui modelli [[flat top]]

==Note==

==Note==

<references/>

<references/>

{{CategorizeBrand|U.S.A.}}

{{CategorizeBrand|U.S.A.}}