| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Collapse of Global Order on Drugs: From UNGASS 2016 - to Review 2019 | 978-1-78756-487-9 (1-78756-487-8) | 2018 | Alex Klein |
| Collapse of the Global Order on Drugs: From UNGASS 2016 to Review 2019 | 978-1-78756-488-6 (1-78756-488-6) | 2018 | Axel Klein |