| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Brotherhood of Oil: Energy Policy and the Public Interest | 978-0-226-20948-7 (0-226-20948-2) | 1977 |
Robert Engel · Robert Engele · Robert Engelfried · Robert Engelman · Robert Englander · Robert Engle · Robert Englekirk · Robert English · Robert Englund · Rupert Engelhardt