This small collection of Bach's professional papers contains primarily correspondence and papers related to his consulting work for the American Institute of Interior Designers and his correspondence with UNESCO and other organizations regarding laws against design piracy. The collection also contains correspondence, notes, and clippings concerning his research on industrial design topics, including the value of better design in industry, an ideal industrial design school, and specialized museums serving industries. Also included in the collection are typescripts and published copies of some of Bach's writings and lectures.