10,000 volt switch house for the provincial Gelderland Electricity Company on the Keppelscheweg in DoetinchemAfsluitdijk-ZuiderzeewerkenArchitectural works of the Government of the Netherlands Antilles IIThe new buildings of the K.E.M.A. at Arnhem architects Prof. Ir. R.L.A. Schoemaker, H. Fels and G. Hamerpagt [...] IV.Third ferry connection across the IJ at AmsterdamService and administration building Provincial Electricity Company of North Holland (P.E.N.) on Ignatius Bispincklaan, Kinheim Park, BloemendaalMunicipal parks service building at The HagueService building radio observatory at DwingeloService building at Heerlen: arch. Ir. S. van RavesteynService buildings at KlundertExecutive building at the Zuider-Gemeente-Gasfabriek in AmsterdamMunicipal Transport and Motor Service in RotterdamHaarlemThe R.K. sanatorium 'Dekkerswald' in GroesbeekIndividualism in home designLaboratory and service building at WillemstadMultiple assignment RGD IJmuidenSignal box with service building at VenloDistillery with furnace foundation, elevator cellars and three chimneys for the Zuider Gemeente-Gasfabriek near AmsterdamTwo service houses in AmsterdamOf the construction of the R.C. sanatorium 'Dekkerswald' in GroesbeekFrom gas factory to pleasure garden : new uses for Gosschalk's monumental GEB buildings in Amsterdam.W. van Gelderen on the construction exhibitionWall painters and architectWater tower at LarenWork in ProgressWork of the department buildings of the service of public works AmsterdamWorking between rivets and slate: depot building transformed into annex Room