- Author: John J. Murphy
- Language: English
- Year: 1991
- Author: John J. Murphy
- Language: English
- Year: 1991
- Author: John J. Murphy
- Language: English
- Year: 1991
- Author: John J. Murphy
- Language: English
- Year: 1999
- Author: John J. Murphy
- Language: English
- Year: 1999
Charting Made Easy
djvu
- Author: John J. Murphy
- Language: English
- Author: John J. Murphy
- Language: English
- Year: 1991
- Author: John J Murphy
- Language: English
- Author: John J. Murphy
- Language: English
- Year: 1999