Source images IDS 12603 AAWO, AB, D. 7, f. 18v (c.p. 1), f. 18v cp1 (German rough draft autograph)
Facsimile of the source from the collection of Archiwum Archidiecezji Warmińskiej, AB, D. 7, f. 18v (c.p. 1) unavailable due to the lack of permission of the copyright holder.