NNA Obdam 8, notaris Johannes Jacobus Haarselhorst, 1847 jan-feb
Westfries Archief, Hoorn, NNA Obdam 8, notaris Johannes Jacobus Haarselhorst, 1847 jan-feb, NNA Obdam 8, notaris Johannes Jacobus Haarselhorst, 1847 jan-feb, 8
A2Acollection via https://opendata.archieven.nl/dataset/915CD66ECD4348DF9835C35B1E653823