| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| World Problems in the Classroom: A Teacher's Guide to Some United Nations Tasks | 978-92-3-1O1O48-4 (92-3-1O1O48-4) | 1973 |
H.A. · H.J. · H. John · Herbert A. · Herbert J Abraham · Herbert John · J. A. · J ABRAHAM · John A. · John Abraham