1. RP 7174/6 Reference (shelfmark): RP 7174/6 Title: Scope & Content: SIXTUS IV, Pope. Bull of Pope Sixtus IV, regulating a dispute among the clergy of Bonilla, Spain over the use of the chapel in the church of St Michael, on vellum, Rome Creation dates: 1484 Collection Area: Western Manuscripts Languages: Latin Date Range: 22 Jun 1999 Extent: 3 photocopies