IDATARBELL
| Date | Clue |
|---|---|
| 2011-05-06 | Exposer of Standard Oil during the Progressive era |
| 2004-05-01 | Noted early 20th-century writer/reformer |
| 2000-12-23 | "The History of the Standard Oil Company" journalist |
| Date | Clue |
|---|---|
| 2011-05-06 | Exposer of Standard Oil during the Progressive era |
| 2004-05-01 | Noted early 20th-century writer/reformer |
| 2000-12-23 | "The History of the Standard Oil Company" journalist |