 | Parlement & Politiek (in Dutch). Retrieved 20 January 2024. "Mr. H.J. Dijckmeester". Parlement & Politiek (in Dutch). Retrieved 20 January 2024. "E.B. Kielstra"... 41 KB (1,197 words) - 16:10, 21 January 2024 |
| Parlement & Politiek (in Dutch). Retrieved 12 September 2017. "Mr. H.J. Dijckmeester". Parlement & Politiek (in Dutch). Retrieved 12 September 2017. "E.B... 42 KB (1,230 words) - 01:14, 21 January 2024 |