- 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)
| Other views: | Summary Awards Chronological |
Novels
- De monnik [Dutch] (1981)
- Keeper of the Children (1978)
- Les renaissances de Joseph Tully [French] (1979)
- The Monk (1983)
- The Search for Joseph Tully (1974)
- Waar is Joseph Tully? [Dutch] (1979)
- Meet Me at the Grave (1991)
- The Fourth Scenario (2001)
- The New Tenant (1981)
- The New Tenant (1981) with William Hallahan