| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2016 | 978-0-9974251-0-9 | James A. Bultema · Foreword by William J. Bratton · former Police Commissioner · City of New York | The Protectors: A Photographic History of Police Departments in the United States |
| 2018 | 978-0-9974251-1-6 | James Bultema | Unsolved Cold-case Homicides of Law Enforcement Officers (Publisher) |