| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-0-9763455-1-0 | Roberta M. Gilbert | The Eight Concepts of Bowen Theory |
| 2006 | 978-0-9763455-2-7 | Roberta M. Gilbert | Extraordinary Leadership: Thinking Systems, Making a Difference |
| 2008 | 978-0-9763455-3-4 | '' | The Cornerstone Concept |