“Witch, Warlock, and Magician: Historical Sketches of Magic and Witchcraft in England and Scotland” by W H. Davenport Adams from 1889 was recently added to Project Gutenberg and might be something to check out.
“A National Theatre of Scotland production.
Alan Cumming gives an award-winning, tour-de-force central performance as Dionysus, the charismatic and dangerous god in this adaptation of Euripidese classic tragedy.
“My most memorable personal experience of the effects of black magic occurred when I was living in Scotland. The machinations of a degraded and outcast member of the Order caused my hounds to die, my servants to become insane. The struggle lasted until the recoil of the current of hated caused the luckless sorcerer to collapse.” [via, also]
“It was at the direction of the head of the Order that I then went to Scotland, to my manor house of Boleskine, which is two or three miles from the Falls of Foyers.
“Later, when I was transferring my apparatus to my house in Scotland, I employed two workmen to remove the mirrors. As they were working they were suddenly overcome, knocked out by unseen assailants. It took several hours to revive them.
People passing the doorway suddenly fell down in fits. That flat remained without a tenant for years after I had left it. All this was because I had not enough experience to control the forces.” [via, also]