Regionlista
- 1921 EM - Akersloot, Castricum, Noord-Holland
- 1921 EN - Akersloot, Castricum, Noord-Holland
- 1921 EP - Akersloot, Castricum, Noord-Holland
- 1921 ER - Akersloot, Castricum, Noord-Holland
- 1921 ES - Akersloot, Castricum, Noord-Holland
- 1921 ET - Akersloot, Castricum, Noord-Holland
- 1921 EV - Akersloot, Castricum, Noord-Holland
- 1921 EW - Akersloot, Castricum, Noord-Holland
- 1921 EX - Akersloot, Castricum, Noord-Holland
- 1921 EZ - Akersloot, Castricum, Noord-Holland
- 1921 GA - Akersloot, Castricum, Noord-Holland
- 1921 HA - Akersloot, Castricum, Noord-Holland
- 1921 NV - Akersloot, Castricum, Noord-Holland
- 1921 SB - Akersloot, Castricum, Noord-Holland
- 1921 VA - Akersloot, Castricum, Noord-Holland
- 1921 VB - Akersloot, Castricum, Noord-Holland
- 1921 VC - Akersloot, Castricum, Noord-Holland
- 1921 VD - Akersloot, Castricum, Noord-Holland
- 1921 VE - Akersloot, Castricum, Noord-Holland
- 1921 VG - Akersloot, Castricum, Noord-Holland