A farewell letter, written from Westerbork to her children, remains from Maria Anna Troostwijk-van der Heijden.
Jewish Historical Museum, Documents collection, inv.nr 5942
In addition, a Jokos file (number 15349) 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 valuables surrendered to the Lippmann-Rosenthal looting …