Independently published · Pennwell Corp
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Oil & Gas Map of Africa | 978-0-87814-556-0 (0-87814-556-7) | 1995 |
| Oil & Gas Map of Africa | 978-0-87814-557-7 (0-87814-557-5) | 1995 |
| Worldwide Offshore Petroleum Directory | 978-1-0961-3569-2 (1-0961-3569-8) | 1998 |