According label on back pictures in the photo archive MJ Friedländer Kelleher was a framer; possibly he has made just the list for the painting, and he was not the owner. Along the lines of Jan Mandijn or Pieter Huys. Tundal 'vision was out of his mouth were recorded by the Irish brother Marcus, wh probably drew on three sources: Cassidorus' "Institutiones" Gregory's "Dialogi" and "Historia ecclesiastica" of the Venerable Bede. The text of brother Marcus is found in the 'Speculum Historiale' Vincent of Beauvais / Vincent Bellovacensis (ca. 1244), translated encountered in the sequel to Maerlant's translation "Spiegel Historiael 'Van Velthem (1316) and" Der Lay mirror 'by Jan van Boendale. See Bellmans edition of "Tnugdal" vision ", Antwerp, 1945. (G.Krebber, October 2002)