Modifiche

* [http://hans.presto.tripod.com/nibs/esterbrook02.html] An article on the company's history.

* [http://hans.presto.tripod.com/nibs/esterbrook02.html] An article on the company's history.

* [http://web.archive.org/web/20080819205512/http://www.zianet.com/jmcdgwin/ebrook.htm] An article on the company's history.

* [http://web.archive.org/web/20080819205512/http://www.zianet.com/jmcdgwin/ebrook.htm] An article on the company's history.

* [http://web.archive.org /web/20120313091441/http://www.kamakurapens.com/Archive/EsterbrookPens.html] An article on the company's history.

* [http://web.archive.org/web/20120313091441/http://www.kamakurapens.com/Archive/EsterbrookPens.html] An article on the company's history.

* [http://www.snyderfamily.com/current/estienibs.htm] An article on nibs numbers.

* [http://www.snyderfamily.com/current/estienibs.htm] An article on nibs numbers.

==Notes==

==Notes==

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