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
A2Acollection via https://opendata.archieven.nl/dataset/8505DF3AC6D94C9F9022B504CCDFCCEE