HarperCollins · SPCK Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Celtic Liturgy | 978-0-281-07410-5 (0-281-07410-0) | 2015 |
| The Celtic Heart | 978-0-00-628110-8 (0-00-628110-9) | 1998 |
| The Celtic Heart: An Anthology Of Prayers And Poems In The Celtic Tradition | 978-0-281-06191-4 (0-281-06191-2) | 2009 |