Note 921 — XXIII. THE HERESIES.
Reading edition
Guillielm. de Newburgh, Lib. I. cap. 19.—Ottonis Frising. de Gest. Frid. I. Lib. I. cap. liv., lv.—Sigeberti Chron. Continuat. Gemblac. ann. 1146.—Ejusdem Continuat. Præmonstrat. ann. 1148.—Roberti de Monte Chron. ann. 1148.—The detailed account given by William of Newburgh he professes to have gathered from some of Éon’s followers performing penitential pilgrimages after the death of the heresiarch.