Source images IDS 16691 ASV, Reg. Lat. 1511, f. 79v-80r, f. 80r (Latin office copy in secretary's hand)
Facsimile of the source from the collection of Archivio Segreto Vaticano, Reg. Lat. 1511, f. 79v-80r unavailable due to the lack of permission of the copyright holder.