Sopia Adèla Sammes is mentioned in a book published in 2007 by a surviving relative. I. Jacobs en T. Kuiper, Overleven een kunst. Levenskunst & Herinneringen (Amsterdam 2007)
In addition, a Jokos file (number 3171) 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 bank (L-claim, number 4762/18687).