29 August 1956
| Title | Language | Date |
|---|---|---|
| Repertorium RJ - O. - West-Europese Unie (02-01) | Dutch | 29-08-1956 |
| Repertorium RJ - O. - West-Europese Unie (W.E.U.) (01-01) | Dutch | 29-08-1956 |
| Répertoire RJ - O. - Union de l'Europe occidentale (U.E.O.) (02-01) | French | 29-08-1956 |
| Répertoire RJ - O. - Union de l'Europe occidentale (U.E.O.) (01-01) | French | 29-08-1956 |
