Modifiche

* [http://www.rickconner.net/penoply/ Penoply] Ottimo sito, con molte informazioni storiche, istruzioni tecniche e materiale vario, di grande interesse.

* [http://www.rickconner.net/penoply/ Penoply] Ottimo sito, con molte informazioni storiche, istruzioni tecniche e materiale vario, di grande interesse.

* [http://www.pendemonium.com/ink_facts.htm Pendemonium: Ink Facts] (Many reviews on inks and list of cartridge type used by different fountain pens.)

* [http://www.pendemonium.com/ink_facts.htm Pendemonium: Ink Facts] (Many reviews on inks and list of cartridge type used by different fountain pens.)

* [http://www.penexchange.de/ Penexchange] (Information and forum for pen collectors. Hosted and maintained by [[Pelikan]])

* [http://www.penexchange.de/english/klassiker/index.shtml Penexchange] Alcuni articoli ed informazioni, e forum in tedesco per collezionisti. Ospitato e mantenuto dalla [[Pelikan]].

* [http://www.penlovers.net/ Pen Lovers] (Articles about pens and big pen galleries.)

* [http://www.penlovers.net/ Pen Lovers] (Articles about pens and big pen galleries.)

* [http://www.penhelp.com/ PenHelp] (Informative site about pens of all types. Advice on how to care for your pens and pen help for beginners.)

* [http://www.penhelp.com/ PenHelp] (Informative site about pens of all types. Advice on how to care for your pens and pen help for beginners.)