Trip with the choir "De Stem des Volks", with Henriette van Strien (8th from the right), her father Abraham van Strien (left from her), and her mother Elisabeth van Strien-Pach (on the bus, 4th from left). Private collection
In addition, a Jokos file (number 2378) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.