There came down from Judaea a certain prophet, named Agabus.
–Acts 21:10 (KJV)–

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Harold Horton, The Gifts of the Spirit (Gospel Publishing House, 1975), p. 180.

John Howie, Biographia Scoticana (Watt & Bailey, 1809).

Adomnan, Life of St. Columba (Penguin, 1995), p. 152. “A true prophet was St. Columba.”