R. H. · Richard H. · Richard W. · W H
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| 1989 Pocket Part to the Law of Oil and Gas | Paperback | 978-0-314-55810-7 | 1989 |
| The Law of Oil and Gas | Hardcover | 978-0-314-88941-6 | 1992 |
| The Law of Oil and Gas | " | 978-0-314-86585-4 | 1991 |
| The law of oil and gas | " | 978-0-314-71558-6 | 1983 |
| The Law of Oil and Gas | Leather Bound | 978-0-314-74331-2 | 1983 |