United States. General Accounting Office
J. Paul Getty
Howard S. Peavy
Canada. Parliament. House of Commons.
Clive Cussler
Ahmed Rashid
Sandra Brown
Diana Palmer
Kate Beaton
Frank Herbert
Henry Patterson
United States. Congress. Senate. Committee on Agriculture and Forestry
Larry McMurtry
Laura Restrepo
Ida Minerva Tarbell
Allan Nevins
A. Hakim Basyar
Franklin W. Dixon
United States. Bureau of Labor Statistics.