Simon Tak first went to the Jewish HBS and later to the MTS. He got a job at 'Werkspoor'. USC Shoah Foundation, nr. USC-SF 15955 (interview Roelof Tak)
See for more information on this family USC Shoah Foundation, USC-SF nr. 15955 (interview Roelof Tak)
In addition, a Jokos file (number 2401) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.