^Galván, Javier A. They Do What? A Cultural Encyclopedia of Extraordinary and Exotic Customs from around the World. ABC-CLIO. 19 June 2014: 51. ISBN 9781610693424(英语). Early Christians in this region believed that, during Walpurgis Night, evil powers were at their strongest, and people had to protect themselves and their livestock by lighting fires on hillsides.
^不同語言的稱呼
德語Walpurgisnacht瑞典語Valborgsmässoafton芬兰语Vappu爱沙尼亚语Volbriöö立陶宛語Valpurgijos naktis拉脫維亞語Valpurģu nakts 以及 Valpurģi捷克語čarodějnice 以及 Valpuržina noc下索布語chódotypalenje上索布語chodojtypalenje英語Walpurgis Night
以上為各語言的稱呼,本條目以德語為主
^Melton, J. Gordon. Religious Celebrations. ABC-CLIO. 2011: 915. ISBN 9781598842050(英语). Her feast day commemorates both the movement of her relics to Eichstatt and her canonization, both of which occurred on May 1.