A2Acollection via https://opendata.archieven.nl/dataset/8505DF3AC6D94C9F9022B504CCDFCCEE
NNA Obdam 27, notaris Johannes Jacobus Haarselhorst, 1865
Westfries Archief, Hoorn, NNA Obdam 27, notaris Johannes Jacobus Haarselhorst, 1865, NNA Obdam 27, notaris Johannes Jacobus Haarselhorst, 1865, 27