In 1227, Pope Gregory IX
initiated proceedings to canonize HB. The proceedings were halted in 1243 and an appeal, made in 1998, to complete HB's canonization was ignored by Pope John Paul II
.
Newman, Barbara. “’Sibyl of the Rhine’: Hildegard’s Life and Times”. Voice of the Living Light: Hildegard of Bingen and Her World, edited by Barbara Newman, University of California Press, 1998, pp. 1-29.
29
Newman, Barbara. “Uppity Trumpet of the Living Light”. London Review of Books, 20 Jan. 2001, pp. 19-21.