Renderings, photo boards, and presentation boards provide visual documentation of the interior design activities of William Pahlmann and William Pahlmann Associates from 1946 to 1976. This series focuses mainly on the design concepts and end results of specific interior design projects completed by Pahlmann and his firm for various clients. It also concerns a handful projects worked on by Pahlmann that were purely conceptual in nature.

The contents of this series consist of renderings, photo boards, and presentation boards concerning various interior design projects that were created by William Pahlmann and his firm. Many of the items in this series supplement materials found in the Publicity Series, the Publicity Book Series, the Client Photo Presentation Books Series, and the Publicity Photo Files Series. All five series, when considered together, help build a comprehensive picture of Pahlmann's style, his clientele, and most importantly, the image he wanted to project about himself and his business.