| title | ISBN-13 | year of publication |
|---|---|---|
| Essays on International Law and Organization: Volume I/II | 978-0-941320-15-3 | 1984 |
| International law in the twentieth century | 978-0-390-02958-4 | 1969 |
| Selected essays on international law and organization | 978-0-7923-2205-4 | 1993 |
| Selected Essays on International Law and Organization | 978-0-941320-75-7 | 1992 |
| The Future of the International Court of Justice | 978-0-379-00298-0 | 1972 |
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