Cornelis de Lorm, ontwerper : 1875-1942 / Jan Rudolph de Lorm ; [eindred.: Jan Jaap Heij]Centenary of the Netherlands Telegraph Service : exhibition at The Hague July 19th through September 28th, 1952 = Eeuwfeest Rijkstelegraaf : tentoonstelling in het Nederlandse Postmuseum te 's-Gravenhage, 19 juli-28 september 1952Animation in the Netherlands = Le cinema d'animation aux Pays-Bas / idea and text/idée et texte: Kees Broos ; photogr.: Ton Oosterhout ... [et al.]