Terpene October 14, 2016October 24, 2016 thcscience_admin Spanish writer 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[edit] ^ [1] Liño: Revista Anual de Historia Del Arte, University of Oviedo, vol 10 (1991), p. 13; accessed on Google Books 2012-11-24