"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QLMV-71WM : 24 October 2019), Gerritje Floor, Death 6 Apr 1909, Hilversum, North Holland, Netherlands; from database,
openarchives (https://www.openarch.nl : 2016); citing Haarlem, record number 113; ; Noord-Hollands Archief.