A2Acollection via https://opendata.archieven.nl/dataset/8EAEFEF5C52444589223F6F0A6BCB67E
NNA Hoorn 71, notaris Claas Boldingh Gzn, 1871 feb-mei
Westfries Archief, Hoorn, NNA Hoorn 71, notaris Claas Boldingh Gzn, 1871 feb-mei, NNA Hoorn 71, notaris Claas Boldingh Gzn, 1871 feb-mei, 71