Directions for the Invocation of Spirits and an Essay on Spiritual Vision (Barrett/Parkins Holograph, 1802)
Public domain
Holograph manuscript of 1802 attributed to Francis Barrett (author of The Magus), annotated as taught by his pupil Dr Parkins of Little Gonerby, Lincolnshire. It is an unpublished single-copy manuscript from the circle of Barrett's magical school. Digitized by the Wellcome Collection and released under its Public Domain Mark.
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