G. N. · George Nikolaus Halm · N. H.
Duncker & Humblot · Holt McDougal
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Economic Systems | 978-0-03-066405-2 (0-03-066405-5) | 1970 | |
| Probleme der internationalen Geldreform. | 978-3-428-03470-3 (3-428-03470-8) | 1975 |