- religion.fandom.com wiki/Three_Holy_Hierarchs
- hyetert.org 2022/01/30/memory-of-three-holy-…
- saint-demetrius.com post/the-three-holy-hierarchs…
- trip.com travel-guide/attraction/iasi/monastery-…
- timeanddate.com holidays/greece/three-holy-…
- days.guide day/the-three-holy-hierarchs-in-greece/
- moldova1.md p/24307/orthodox-christians-celebrate…