Jacques Gaffarel, Unheard-of Curiosities — Chapter Ⅻ… (1650)
“ The Reasons they give, who are of opinion, that these things are Supernaturall. Reasons given to the Contrary. Angels, and Saints, how they have sometimes been seen to appeare in the Clouds. A new, and quaint opinion, touching the divers kinds of figures that appeare in the Clouds : and a conjecture upon the Secret, mentioned by Trithemius, of conveying Newes a great distance off. The Author's Resolution, concerning Strange Sights in the Aire. The Raining of Blood, in the Figure of a Crosse, not Naturall ”
