Note: Van den Broek was involved in the establishment of the Program Council (partnership between educational institutions and the EIB) in 1967. The Program Council was also involved in the 'Structuur Onderzoek in de Bouwnijverheid', 1972.
Reference: Documents on the Foundation for Scientific Education (inv. nos. 484.1 to 484.22) and on the Structural Research in the Construction Industry (inv. nos. 490.1 to 490.51).