Note 873 — Chapter IX · UNLUCKY DAYS
Reading edition
J. Lippert, Christentum, Volksglaube, und Volksbrauch, Berlin, 1882, pp. 680-685; C. A. Miles, Christmas in Ritual and Tradition, Christian and Pagan, London, 1912, pp. 238-246; Frazer, The Scapegoat, pp. 313-345.