Modifiche

==Riferimenti esterni== <!--T:29-->

==Riferimenti esterni== <!--T:29-->

* http://www.fountainpennetwork.com/forum/index.php?/topic/128513-soennecken-information/

* [http://www.fountainpennetwork.com/forum/index.php?/topic/128513-soennecken-information/] Discussione su FPN

* http://www.rickconner.net/penspotters/soennecken.222.html

* [https://web.archive.org/web/20160323225440/http://www.rickconner.net/penspotters/soennecken.222.html] Pagina su Penspotters

* http://www.poppelsdorf.de/poppelsdorfer__heimatsammlung_soennecken.htm

* [https://web.archive.org/web/20110721020749/http://www.poppelsdorf.de/zwischen_melb_und_weiher-Soennecken.htm] Storia dell'azienda relativa a Poppelsdorf

* http://www.soennecken.de/

* [http://en.wikipedia.org/wiki/Soennecken] Pagina su wikipedia in inglese

* http://en.wikipedia.org/wiki/Soennecken

* [http://de.wikipedia.org/wiki/Soennecken] Pagina su wikipedia in inglese

* http://de.wikipedia.org/wiki/Soennecken

==Note==

==Note==

<references/>

<references/>