Leendert Toorenburg lived at 32 Dr. Johan Mezgerstraat in Zandvoort. On a list of Jewish companies sent by Zandvoort town to the Wirtschaftsprüfstelle on 26 July 1941, he is listed as the owner of a fashion store at 32-34 Kerkstraat.
A.E. Speijer, Zandvoorts wijzen kwamen uit het oosten (Zoetermeer 1995) 83
In addition, a Jokos file (number 17545) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.