In addition, a Jokos file (number 2394) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for :
- securities or bonds. (W-claim, number C8-O23-25/1933)
- valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 10961/13805)