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Knoxville, Tennessee Knoxville, Iowa Knoxville, Illinois Knoxville, Arkansas Knoxville, Pennsylvania Knoxville, Quận Marion, Iowa Knoxville, Quận Ray, MissouriTài liệu tham khảo
WikiPedia: Knoxville, Iowa http://factfinder2.census.gov/faces/tableservices/... http://www.census.gov/geo/www/gazetteer/gazetteer2... http://data.iowadatacenter.org/datatables/PlacesAl...