A2Acollection via https://opendata.archieven.nl/dataset/0BAC8B1141154504AB829244E05EBC7D
NNA Medemblik 4, notaris Christian Jacob Merens, 1843
Westfries Archief, Hoorn, NNA Medemblik 4, notaris Christian Jacob Merens, 1843, NNA Medemblik 4, notaris Christian Jacob Merens, 1843, 4