In addition, a Jokos file (number 5608) 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 C2Csp3C117/191)
- valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 1197/10928)