- Author: Ernest R McDowell, Don Greer
- Language: English
- Year: 1999
- Author: Ernest R. McDowell Don Greer
- Language: English
- Year: 1999
- Author: Ernest R. McDowell Don Greer
- Language: English
- Year: 1984
- Author: Ernest R. McDowell Don Greer
- Language: English
- Year: 1978