"Convocations for meetings of the Central Committee, i.e. Addressed to I. Van der Velde (dept. Education of the Jewish Council), januari 1942 - september 1943"@eng . "Convocations for meetings of the Central Committee, i.e. Addressed to I. Van der Velde (dept. Education of the Jewish Council), januari 1942 - september 1943"@eng . . . . "Convocations for meetings of the Central Committee, i.e. Addressed to I. Van der Velde (dept. Education of the Jewish Council), januari 1942 - september 1943"@eng . .