Sylvan J. Muldoon
Source: "Sylvan J. Muldoon Bibliography." Author Wars, https://authorwars.com/authors/sylvan-j-muldoon.html".
Pseudonyms:
Titles:
Essays
- Unknown. How to Be a Ghost
- Unknown. Professor Hilprecht and the Thirty-Two Hundred-Year-Old Phantom
- Unknown. The Corpse That Wouldn't Die!
- Unknown. The Ghost of the Hydesville Peddler
- Unknown. The Psychic Detective