El Maestro Custodio is believed[by whom?] to have been a 14th-century Benedictine monk living in the city of Oviedo in Asturias, Spain. He is believed to have written a history of Asturias, now lost but cited by several later historians.[1]
Notes
^[1] Liño: Revista Anual de Historia Del Arte, University of Oviedo, vol 10 (1991), p. 13; accessed on Google Books 2012-11-24
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