De Vermis Mysteriis
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| Description | fictional grimoire created by Robert Bloch and incorporated by H. P. Lovecraft into the lore of the Cthulhu Mythos |
| Author/s |
author: Robert Bloch |
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| Wikipedia link | https://en.wikipedia.org/wiki/De_Vermis_Mysteriis |
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| Missing/wrong data? | Edit Wikidata item |