A2Acollection via https://opendata.archieven.nl/dataset/4A823AD5EF484E369D82BB6749159296
NNA Obdam 23, notaris Johannes Jacobus Haarselhorst, 1861
Westfries Archief, Hoorn, NNA Obdam 23, notaris Johannes Jacobus Haarselhorst, 1861, NNA Obdam 23, notaris Johannes Jacobus Haarselhorst, 1861, 23