Bentley, Diana (март 2015). „The Dark Secrets of the Bog Bodies”. Minerva: The International Review of Ancient Art & Archaeology. Nashville, Tennessee: Clear Media: 34—37.CS1 одржавање: Формат датума (веза)
amazon.com
Murphy, Anthony; Moore, Richard (2006). Island of the Setting Sun: In Search of Ireland's Ancient Astronomers. Bentonville, Arkansas: Liffey Press. стр. 81. ASINB01HCARQ1G.
Merriam-Webster's Encyclopædia of World Religions. Merriam-Webster. 1999. стр. 408. ISBN978-0877790440. Приступљено 19. 12. 2023. „Halloween, also called All Hallows' Eve, holy or hallowed evening observed on October 31, the eve of All Saints' Day. The Irish pre-Christian observances influenced the Christian festival of All Hallows' Eve, celebrated on the same date.”
„BBC – Religions – Christianity: All Hallows' Eve”. British Broadcasting Corporation (BBC). 20. 10. 2011. Приступљено 19. 12. 2023. „It is widely believed that many Hallowe'en traditions have evolved from an ancient Celtic festival called Samhain which was Christianised by the early Church”
Murphy, Anthony; Moore, Richard (2006). Island of the Setting Sun: In Search of Ireland's Ancient Astronomers. Bentonville, Arkansas: Liffey Press. стр. 81. ASINB01HCARQ1G.