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.
On March 18, 1978, collector Bill Hitchcock interviewed Della Coates (b. June 17th, 1919 in Birmingham, Alabama) at her home in Las Vegas, Nevada. In the interview, Della Coates discusses her time working for the telephone company. She also speaks about the changes in education and about changes throughout Las Vegas.