Pope Jon Paul II, Apostolic Constitution creating the Apostolic Vicariate of Bontoc-LagaweAd aptius in Insulis Philippinis (6 July 1992), Acta Apostolicae Sedis 85 (1993), p. 124. Ex distracto territorio a Vicariatu Apostolico Montano novus instituitur Vica riatus Apostolicus Bontocensis-Lavagensis.