Voltaire
Светлана Алексиевич
Herbert William Heinrich
Charles Perrow
Willie Hammer
United States. General Accounting Office
John Davies
N. Irving Sax
Ed Ferrett
J. Mark Melhorn
Richard L. Rashke
Phil Hughes
C. Ray Asfahl
Unknown Author
United States. Congress. House. Committee on Education and Labor. Subcommittee on Health and Safety.
John V. Grimaldi
Roland Patton Blake
New Jersey. Legislature. General Assembly. Labor Committee.