Pieter Schaap en tant qu·Äôentrâ©e de Nelletje Schaap, "Netherlands, Archival Indexes, Vital Records, 1600-2000"
"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QLMV-MVK1 : 24 October 2019), Pieter Schaap in entry for Nelletje Schaap, Death 27 Jan 1829, Huizen, North Holland, Netherlands; from database,
openarchives (https://www.openarch.nl : 2016); citing Haarlem, record number 8; ; Noord-Hollands Archief.