A special thanks to the following for giving permission to use and share of their valuble photos, illustrations and factual information.

• Layman Kevin Knight; https://www.newadvent.org/cathen/
• Kelly C. Jones; https://joneskcj2.myportfolio.com/christus-apostles
• Dr Emil Krén; Web Gallery of Art (https://www.wga.hu/)
• Dansk Historisk Arkiv (Kate);  https://arkiv.dk/