Eduard Louis Manasse was a chemist on the Hellestraat in Amersfoort. His wife and child survived the war.
G. van Colmjon, ’Gedeporteerde joodse winkeliers lieten veel lege plekken achter‘, in Amersfoortse Courant, 5 April 1997
In addition, a Jokos file (number 5585) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.