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 illegalitei…