H. P. · HD Perkins · Hetti Perkins
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Origins of Law and Economics: The Economists' New Science of Law, 1830-1930 | 978-0-521-02386-3 (0-521-02386-6) | 2008 |
| Origins of Law and Economics: The Economists' New Science of Law, 1830–1930 | 978-0-521-58143-1 (0-521-58143-5) | 1997 |