| Answer | Crossword Clue |
|---|---|
| ESSO | Standard Oil successor company |
| ESSO | Standard Oil successor |
| AMOCO | Standard Oil company |
| TARBELL | "History of the Standard Oil Company" author |
| IDATARBELL | "The History of the Standard Oil Company" author |
| IDATARBELL | "The History of the Standard Oil Company" journalist |
