A2Acollection via https://opendata.archieven.nl/dataset/1C2F342E4C1F48DE9114D0E80FFDBBE3
NNA Hoorn 136, notaris Hinno Willem Jan Sannes, 1893 maa-apr
Westfries Archief, Hoorn, NNA Hoorn 136, notaris Hinno Willem Jan Sannes, 1893 maa-apr, NNA Hoorn 136, notaris Hinno Willem Jan Sannes, 1893 maa-apr, 136