A2Acollection via https://opendata.archieven.nl/dataset/F4AE853798614359A629547C6A400683
NNA Obdam 33, notaris Johannes Jacobus Haarselhorst, 1871
Westfries Archief, Hoorn, NNA Obdam 33, notaris Johannes Jacobus Haarselhorst, 1871, NNA Obdam 33, notaris Johannes Jacobus Haarselhorst, 1871, 33