Zdroje:
- https://www.saltwayactivitygroup.org.uk/
- http://www.blisworth.org.uk/images/Articles/droitwich.htm
- https://en.wikipedia.org/wiki/Salt_road
- https://relaxmagazin.sk/2017/06/15/bez-soli-neprezijete/
- https://sk.medlicker.com/1021-sol-prospieva-alebo-skodi
- https://www.top-armyshop.sk/magazin/prakticke-vyuzitie-soli
- https://en.wikipedia.org/wiki/History_of_salt