https://www.joodsmonument.nl/en/page/153726/
https://www.oorlogsbronnen.nl/tijdlijn/73cd7369-7ae8-4bf5-b1c8-08629dc2d711
https://mappingthelives.org/bio/643b9bd0-2e90-4273-88ac-153b77b976b2?language=en
https://archief.amsterdam/indexen/deeds/985333e9-74b7-56a3-e053-b784100ade19?person=985333e9-74b8-56a3-e053-b784100ade19