Study drawings of facades, sail plan of cruiser yacht, house in Woerden (1943) for Mr. J.C. Ruys, house in Leersum (1939), situation map Alkmaar (1937), façade drawings Bierlee Altena, Stadhouderskade 47 (1940), riding school building, doctor's house, house on Diepenbrock Street in Amsterdam, design for a hotel, country house with observatory, competition town hall in Huizen, design for open-air swimming pool, design for hotel, design for nursery house, design for an administration building, design for streetcar and terminal station.