Philip de Haan was a gardener. He carried out illegal work for the CPN. On 15 July 1941, he was picked up in Amsterdam. Via the prison at the Weteringschans and camp Schoorl he was transferred to Amersfoort. Philip de Haan was a brother of Jacob de Haan.
NIOD, Erelijst Verzet en Koopvaardij, database made by J.W. de Leeuw;
B. Braber, Zelfs als wij zullen verliezen. Joden in verzet en illegaliteit in Nederland 1940-1945 (Amsterdam, 1990) 177, noot 42
In addition, a Jokos file (number 16768) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.