| Titel | Art | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|---|
| Progress through training: Information for guests from the 3. World coming for further training to the Federal Republic of Germany | Paperback | 978-3-427-54783-9 (3-427-54783-3) | 1977 |
| Progress through training: Information for guests from the 3. World coming for further training to the Federal Republic of Germany | 978-3-427-54782-2 (3-427-54782-5) | 1975 |