A2Acollection via https://opendata.archieven.nl/dataset/BCF2FA6F08C24AB3A313010775E4414B
NNA Hoorn 104, notaris Claas Boldingh Gzn, 1883 mei-dec
Westfries Archief, Hoorn, NNA Hoorn 104, notaris Claas Boldingh Gzn, 1883 mei-dec, NNA Hoorn 104, notaris Claas Boldingh Gzn, 1883 mei-dec, 104