Catalogue documenting the planning, installation and inauguration of Claus Oldenburg's sculpture "Cross Section of a Toothbrush with Paste, in a Cup, on a Sink : Portrait of Coosje's Thinking" installed in the fall of 1983. Texts by Claes Oldenburg and Gerhard Storck. Title of work was conceived by Oldenburg as a play on the style of works by Lawrence Weiner, a close friend of van Bruggen. Texts in English and German.