- The Lost Magic of Christianity: Celtic Essene Connections by Michael Poynder, 2000-08
- The Celtic Way of Prayer: The Recovery of the Religious Imagination by Esther De Waal, 1999-07-20
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- The Celtic Heroic Age (Celtic Studies Publications) by John Carey, John T. Koch, 2000-01
- Celtic Christianity by Christopher Bamford, William Parker Marsh, 2000-01-01
- The Celtic Penitentials and Their Influence on Continental Christianity by John Thomas Mcneill, 2010-01-13
- Walking with the Celtic Saints: A Devotional by Neil Kennedy-Jones, Gerlinde Kennedy-Jones, et all 2004-05-01
- Celtic Wheel of the Year: Old Celtic and Christian Prayers by Tess Ward, 2007-07-27
- Celtic Saints: Passionate Wanderers by Elizabeth Rees, 2000-06
- Sea-Road of the Saints: Celtic Holy Men in the Hebrides by John Marsden, 1995-01-01
- The Grail: The Celtic Origins of the Sacred Icon by Jean Markale, 1999-05-01
- Who Are the Celtic Saints by Kathleen Jones, 2002-08-15
- Celtic Heritage Saints by Marian Keaney, 1998-12-31
- Christianity and the Celts (Ivp Histories) by Ted Olsen, 2003-05-12
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