14 February 1961
| Title | Language | Date |
|---|---|---|
| Nummer G 270-1/02-01 | Dutch | 14-02-1961 |
| Nummer G 270-1/02-01 | Dutch | 14-02-1961 |
| Nummer S 38/03-01 | Dutch | 14-02-1961 |
| Nummer S 47/07-01 | Dutch | 14-02-1961 |
| Numéro G 270-1/02-01 | French | 14-02-1961 |
| Numéro G 270-1/02-01 | French | 14-02-1961 |
| Numéro S 38/03-01 | French | 14-02-1961 |
| Numéro S 47/07-01 | French | 14-02-1961 |
