In addition, a Jokos file (number 1926) 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 Csp 4-C9/1507)
- valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8498/1063)