Maxim Kucer (2015-05-19). Francie, departement Somme – Amiens I (in cs). infoglobe.cz. Retrieved on 2015-05-31.
Maxim Kucer (2015-05-19). Francúzsko, departement Somme – Amiens I. (in sk). infoglobe.cz. Retrieved on 2015-05-31.
The Curious Flaw of Amiens Cathedral (in en). pkadams-author.com. Retrieved on 2018-07-23.No name, no license, "Wikimedia Commons"