Anna Willems Slokker in entry for Aart Baas, "Nederland, Indexen van de Archieven, Allerhande Archiefstukken"
"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QLMP-TK47 : 24 October 2019), Anna Willems Slokker in entry for Aart Baas, Death 27 Apr 1862, Huizen, North Holland, Netherlands; from database,
openarchives (https://www.openarch.nl : 2016); citing Haarlem, record number 33; ; Noord-Hollands Archief.