Catharina van der Heijden en tant qu·Äôentrâ©e de Wilhelmus van Egmond et de Alida Lena Loeber, "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:QLRS-JQZH : 6 October 2017), Catharina van der Heijden in entry for Wilhelmus van Egmond and Alida Lena Loeber, Marriage 26 Mar 1829, Leiden, Zuid-Holland, Nederland; from database,
openarchives (https://www.openarch.nl : 2016); citing Leiden, archive , inventory number , record number 35; ; Nationaal Archief Rijksarchief Zuid-Holland.