- Author: Harold Coward, Philip Cook
- Language: English
- Year: 1996
- Author: Harold Coward
- Language: Spanish
- Year: 2006
- Author: Harold Coward John R. Hinnells Raymond Brady Williams
- Language: English
- Year: 2000
- Author: Rick Searle Harold Coward
- Language: English
- Year: 1995
- Author: Evan Alderson Robin Blaser Harold Coward
- Language: English
- Year: 1993
- Author: Harold Coward
- Language: English
- Year: 1990
- Author: Harold Coward
- Language: English
- Year: 1993
- Author: Harold Coward (ed.)
- Language: English
- Year: 2003
- Author: Harold Coward Andrew J. Weaver
- Language: English
- Year: 2004
- Author: Harold Coward Ronald Neufeldt Eva K. Neumaier
- Language: English
- Year: 2006