In David Cohen's (Co-Chairman of the Joodse Raad) recollections of the occupation he mentions the case of a member of the Raad's Financial Committee named Calff who was detained in a SiPo razzia on August 9 along with his two sons and one daughter. According to Cohen's account, this gentleman was id…
In addition, a Jokos file (number 9752) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Voor meer informatie over Leo Calff en zijn echtgenote Martha Stoppelman, zijn broer Herman Calff en diens echtgenote Rika Stoppelman, zie het boek van Marijke Barend-van Haeften en Frits Barend: Matzes en mie: De lotgevallen van de families Barend en Van Haeften (Amsterdam 2017) 135-138.