| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Civil Service in Great Britain: A History of Abuses and Reforms and Their Bearing Upon American Politics | 978-1-112-06172-1 (1-112-06172-X) | 2009 |
| Secret Sessions of the Senate: Their Origin, Their Motive, Their Object, Their Effect | 978-1-112-48696-8 (1-112-48696-8) | 2009 |