* [http://cool.conservation-us.org/jaic/articles/jaic30-02-003_3.html] Celluloid objects: their chemistry and preservation
* [http://cool.conservation-us.org/jaic/articles/jaic30-02-003_3.html] Celluloid objects: their chemistry and preservation
* [http://www.chogokindx.com/wp/degrado-della-plastica.html] degradazione delle plastiche
* [http://www.chogokindx.com/wp/degrado-della-plastica.html] degradazione delle plastiche
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* [http://chestofbooks.com/reference/Henley-s-20th-Century-Formulas-Recipes-Processes-Vol1/Solvents-for-Celluloid.html] Ricette di solventi per celluloide
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* [http://chestofbooks.com/reference/Henley-s-20th-Century-Formulas-Recipes-Processes-Vol1/Mending-Celluloid.html] Ancora ricette
* [http://forum.fountainpen.it/viewtopic.php?f=12&t=11452] Discussione sul forum
* [http://forum.fountainpen.it/viewtopic.php?f=12&t=11452] Discussione sul forum