Encyclopædia Britannica Online, oppført som Blessed Anna Katharina Emmerick, Encyclopædia Britannica Online-ID biography/Blessed-Anna-Katharina-Emmerick, besøkt 9. oktober 2017[Hentet fra Wikidata]
catholicinsight.com
McDermott, Terry (16. februar 2020). «The Suffering of Blessed Anne Catherine Emmerich « Catholic Insight». Catholic Insight (på engelsk). Besøkt 15. november 2021. «At the age of twenty-four, before her entrance into religious life, she was given the grace to experience the visible and actual pain of Our Lord’s crown of thorns. She frequently suffered days and nights of terrible pain and swelling about her forehead and temples. The bandage strips wrapped about her head many times did not stem the flow of blood.»