Top view of the Hughes H-1 Racer with an X painted over its R registration number on its starboard wing. The registration number NX 258Y is seen on the rudder.
The D. Kenneth Richardson Papers on the Hughes Aircraft Company (1950-2011) contains correspondence, speeches, photographs, Hughes Aircraft Company executive meeting notes, and various publications from Hughes Aircraft Company and other aeronautical companies. Also included are published papers written by Richardson and a productivity study published by the Hughes Aircraft Company.