Media appendix 20 April 2021 Image for Frieda Wertheim-Arnheim By: Jan de Keizer Registratiekaart Frieda Arnheim (Stadsarchief Amsterdam) Bron: https://archief.amsterdam/indexen/persons?ss=%7B%22q%22:%22frieda%20arnheim%22%7D With: Hans Wertheim All rights reserved Media