Nicolaas 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-H7T1 : 2 December 2019), Nicolaas Van Der Giessen, Death 25 Dec 1933, Utrecht, Netherlands; from database,
openarchives (https://www.openarch.nl : 2016); citing Utrecht 1933, archive 463, inventory number 748-03, record number 1959; Utrecht 1933; Het Utrechts Archief.