Modifiche

nessun oggetto della modifica
Riga 11: Riga 11:  
* http://www.richardspens.com/ref/wat_nos.htm
 
* http://www.richardspens.com/ref/wat_nos.htm
 
* http://www.vintagepens.com/FAQhistory/waterman_numbering.shtml
 
* http://www.vintagepens.com/FAQhistory/waterman_numbering.shtml
 +
* http://www.lionandpen.com/RAstyk/WatermanNumbers.html