Helena den Herder en tant qu·Äôentrâ©e de Bartholomaeus Kriek, "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:QL6Q-NKRN : 23 August 2017), Helena den Herder in entry for Bartholomaeus Kriek, Baptism 13 Nov 1794, Leiden, Zuid-Holland, Nederland; from database,
openarchives (https://www.openarch.nl : 2016); citing Archiefnaam: DTB, Deel: 305, Periode: 1683-1811, archive 1004, inventory number 305, folio; Archiefnaam: DTB, Deel: 305, Periode: 1683-1811; Erfgoed Leiden.