Mainaduc, magic, and madness: George Cumberland and the Blake connection.
Bentley
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D049711:History, Modern 1601-; D008091:Literature / Q000266:history*; D008273:Magic / Q000266:history*; D009781:Occultism / Q000266:history*; D011781:Quackery / Q000266:history*; D006113:United Kingdom