https://www.simactanningtech.it/fairs/sites/default/files/stt2021_merceologico.pdf

https://sites.google.com/site/isttschool/useful-information/glossary-of-terms

https://bestleather.org/leather-tanning/

http://www.altascuolapelletteria.it/wp-content/uploads/2011/11/Dizionario_Italiano-Inglese_della_pelletteria.pdf

https://www.unic.it/the_beauty_of_the_italian_tanning_industry/