Aagje Kriek en tant qu·Äôentrâ©e de Karel Cornelius Van Der Giessen, "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:QLK1-MHL2 : 2 December 2019), Aagje Kriek in entry for Karel Cornelius Van Der Giessen, Death 29 Mar 1942, Utrecht, Netherlands; from database,
openarchives (https://www.openarch.nl : 2016); citing Utrecht 1942, archive 463, inventory number 762-02, record number 673; Utrecht 1942; Het Utrechts Archief.