Market Research and American Business Reports, 1935-1965 consists of the complete digitized reports of midcentury marketing expert Ernest Dichter. Dichter, pioneer of the technique of motivational research, led an influential market research firm employed by major American companies across a variety of industries. Material types include primarily reports, but proposals, pilot studies, memorandums, letters, supporting material, and advertising images are also included. All materials are organized and can be searched by industry. The original documents are held by the Hagley Museum and Library.