"Netherlands, Noord-Holland, Civil Registration, 1811-1950," database with images, FamilySearch (
https://www.familysearch.org/ark:/61903/1:1:WQPY-XCZM : 3 June 2020), Johannes Albertus Orbaan in entry for Lodewijk Orbaan, ; citing Death Registration, Amsterdam, Noord-Holland, Nederland, Noord-Hollands Archief (Noord-Hollands Archives), Haarlem; FHL microfilm .