From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:
Take elm wood on a Good-Friday, cut the same while calling the holiest names. Cut chips of this wood from one to two inches in length. Cut upon them, in the three holiest names, three crosses, + + + Wherever such a slip is placed, all sorcery will be banished.
The grimoire Egyptian Secrets of Albertus Magnus lists this spell.
Timeline of related events
1725Publication of Egyptian Secrets of Albertus Magnus (lists this spell)
1869English-language translation of Egyptian Secrets (lists this spell)