J. T. ยท J. Twombly
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Progression of the American Presidency | 978-1-137-30052-2 (1-137-30052-3) | 2013 |
| The Progression of the American Presidency: Individuals, Empire, and Change | 978-1-137-30053-9 (1-137-30053-1) | 2013 |