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| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Nature of Customary Law: Legal, Historical and Philosophical Perspectives | Printed Access Code | 978-0-511-49374-4 (0-511-49374-6) | 2009 | James B. Murphy |
| The Nature of Customary Law: Legal, Historical and Philosophical Perspectives | Paperback | 978-0-521-11556-8 (0-521-11556-6) | 2009 | |
| The Nature of Customary Law: Legal, Historical and Philosophical Perspectives | Hardcover | 978-0-521-87511-0 (0-521-87511-0) | 2007 | James B. Murphy |