Source images IDS 22665 AAWO, AB, D. 70, f. 280v-r (!), f. 280v bp beginning of letter (Latin rough draft in secretary's hand)
Facsimile of the source from the collection of Archiwum Archidiecezji Warmińskiej, AB, D. 70, f. 280v-r (!) unavailable due to the lack of permission of the copyright holder.