Design years: 1979 Illustrations: situation plan, floor plan, cross-sections, elevations/housing complex Wittenburg - Wittenburg-Zuid Amsterdam (design G.J. Hendriks); sketches (3)/Book of sketches with ideas for the layout of the landscape between Muiden and Naarden (design K. Hund); elevations, floor plans, cross-sections/project Housing Construction and Energy Conservation (design J. Habets); photograph of maquette/project Gorkum binnen - buiten de wallen Gorinchem (design H. Mihl and A. van den Bosch); bird's eye view drawing, elevation, floor plans (2)/project Wonen in een Bouwblok (design L. Thier); elevations, floor plans, situation sketch, technical drawings, photographs of maquette (3)/housing complex Klarendal Arnhem (design B. Verhaagen)