I. Internationaler Strassenkongress, Paris 1908IIe Congrès International de la Route, Brussels 1910Exploration of management and maintenance aspects of roadside noise barriersMeasures at works in progress : part II : recommendations for non-motorways outside built-up areasEmploi des machines pour l'entretien des chemins vicinaux : communication : Ier Congrès International de la Route, Paris 1908First report of the Kampong Improvement Commission established by the Government Decree of May 25, 1938, No. 30Some reflections on the improvement and modernization of the Dutch road network : preliminary opinionThe economic importance for our country of improving the road network : prae-adviezen te behandelen op de congresdag 1949 op donderdag 15 december 1949 te UtrechtCongress for faster road improvementsLaw of housing and planning and allied subjectsVorarbeiten, Erd-, Grund-, Strassen- und TunnelbauRoadsTogether through the winter : state, province and municipality join forces in building salt shed in Breda