http://english.glendale.cc.ca.us/christ.html
https://epiphanysouthhaven.org/celtic-christianity/
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0259-94222015000200069
https://www.shoreline.edu/faculty/rody/archives/celts/outline2.htm
Gaelic
https://www.omniglot.com/writing/gaelic.htm
https://archive.org/stream/ourgaelicproverb00macg#page/10/mode/2up
http://www.groamhouse.org.uk/index.asp?pageid=41172
http://aoda.org/aoda-structure/gnostic-celtic-church-gcc/teachings-of-the-gcc/
https://www.clipzui.com/search?k=Celtic+Spirituality
https://www.clipzui.com/search?k=anam+cara
How to of Celtic Design knotwork
http://www.instructables.com/id/How-to-Draw-Celtic-Knotwork/
http://www.thecelticguide.com/2012.html
https://www.intocornwall.com/features/crosses-holy-wells.asp
http://www.cushnieent.force9.co.uk/
http://celticchristianchurch.org/belief.htm
Stephen A. McNallen – Asatru: A Native European Spirituality – Hour 1 by Red Ice TV Publication date 2015-06-09
https://archive.org/details/WhiteHorse-CelticChristianityHomilyTheGoodnessOfCreationByRevDrGe119
https://archive.org/details/texts?and[]=Celtic%20Christianity
https://archive.org/details/texts?&and[]=A%20History%20of%20the%20Celtic%20Church
The Celtic Christianity of Cornwall; divers sketches and studies by Taylor, Thomas, b. 1858
https://archive.org/details/cu31924029263328
http://decodedpast.com/light-sun-nature-celtic-spirituality/14400
The History of St Cuthbert by Rev. Monsignor C. Eyre
The History of St. Cuthbert: Or an Account of His Life, Decease, and Miracles of the Wanderlings with His Body at Intervals During 124 Years (etc.)
http://www.primaryhomeworkhelp.co.uk/celts.htm
http://www.tektonics.org/copycat/hesus.phphttp://www.tektonics.org/copycat/hesus.php
http://www.truthbeknown.com/christ-great-britain.html
Here is another area he has researched: Jesus is India
http://www.truthbeknown.com/jesus_in_india.htmhttp://www.truthbeknown.com/jesus_in_india.htm
http://www.faithandworship.com/Celtic_Christianity.htmhttp://www.faithandworship.com/Celtic_Christianity.htm
https://www.historicimpressions.com/Store.htm
https://citydesert.wordpress.com/author/citydesert/page/98/
http://nftu.net/belief-ancient-irish-church-bloodless-sacrifice-real-presence/
http://www.edmund-rice.wa.edu.au/edmundr/celtic.htm
http://www.worldheritageireland.ie/bru-na-boinne/built-heritage/newgrange/