キング郡 (ワシントン州)
↑ Bill Speidel, Doc Maynard, The Man Who Invented Seattle (Seattle: Nettle Creek Publishing Co., 1978) (ISBN 0-914890-02-6).
↑ The Seattle Times. http://seattletimes.nwsource.com/html/localnews/2002094147_gov18m.html
↑ King County Journal: Proposal would ease creation of new county
↑ King County Journal: Calls for new county intensify - Rural rage revives drive to escape Seattle influence
↑ Cascadecounty.org
↑ Cascade County (GIF)
↑ American FactFinder, United States Census Bureau, http://factfinder.census.gov 2008年1月31日閲覧。
↑ Census.gov