Oceana Pubns · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Africa and the development of international law | 978-0-379-00013-9 (0-379-00013-X) | 1972 | 
| Nigerian Annual of International Law Vol. 1 | 978-0-19-575455-1 (0-19-575455-7) | 1985 | 
| The modern law of treaties | 978-0-379-00230-0 (0-379-00230-2) | 1974 |