- Author: William H. Hallahan Author Record # 9233
- Legal Name: Hallahan, William Henry
- Birthplace: Brooklyn, New York City, New York, USA
- Birthdate: 12 December 1925
- Deathdate: 21 August 2018
- Language: English
- Webpages: Goodreads, Wikipedia-FR
- Used These Alternate Names: William Hallahan
- Author Tags: paranormal (1), fantasy (1), occult (1), horror (1)
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