The Book of the Most Powerful

Spirits, or a Compendium

of Unnatural Black Magic

Containing: J. G. Herpentil’s:

The Triple

Secret, Unfathomable,

and Approved Doctor Johann

Faust’s

Coercion of Hell

so named.

and 6 following original: "u. 6 ff."
F 8476 Likely a library shelfmark or archival catalog number.