From The Long Lost Friend:
Bad Wounds And Burns
The word of God, the milk of Jesus' mother, and Christ's blood, is for all wounds and burnings good. + + + It is the safest way in all these cases to make the crosses with the hand or thumb three times over the affected parts; that is to say, over all those things to which the three crosses are attached.
The grimoire The Long Lost Friend lists this spell.
Timeline of related events
1820Publication of Hohmann's Long Lost Friend (lists this spell)