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| | Letters of Columbanus |
 | | Friedrich Prinz, 'Columbanus, the Frankish nobility and the territories east of the Rhine', in: H. Clarke and Mary Brennan (edd.), Columbanus and Merovingian Monasticism, Oxford 1981, 7387. |
 | | Ian Wood, 'A prelude to Columbanus: the monastic achievement in the Burgundian territories', in: H. Clarke and Mary Brennan (edd.), Columbanus and Merovingian Monasticism, Oxford 1981, 332. |
 | | Damian Bracken, 'Authority and Duty: Columbanus and the Primacy of Rome', Peritia 16 (2002) 168-213. |
| www.ucc.ie /celt/published/T201054.html (10820 words) |
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