"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QLN4-3GX1 : 30 August 2017), Elisabeth Schalk, Death 22 Aug 1882, Heukelum, Gelderland, Nederland; from database,
openarchives (https://www.openarch.nl : 2016); citing Heukelum (Lingewaal), archive 0207, inventory number 33830, record number 31; ; Gelders Archief.