Source images IDS 12682 AAWO, AB, D. 7, f. 53r (t.p.), f. 53r tp (German rough draft autograph)
Facsimile of the source from the collection of Archiwum Archidiecezji Warmińskiej, AB, D. 7, f. 53r (t.p.) unavailable due to the lack of permission of the copyright holder.