English: “The Feast of the Discovery of the Cross, which the Church of the East celebrates on 13 September. From a Nestorian Peshitta Gospel book, written in Estrangela, from the thirteenth century. This illustrated manuscript from northern Mesopotamia or Tur Abdin proves that in the thirteenth century the Church of the East was not yet aniconic. The upper picture shows the vision of Constantine, and the lower the search for the True Cross. (State Library of Berlin, Prussian cultural property; Sachau 304, parchment manuscript 195 Bl., Folio 162.)” – The Church of the East: An Illustrated History of Assyrian Christianity by Christoph Baumer, p. 94.