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"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived July 7, 2011, at the Wayback Machine Retrieved April 3, 2011.
McLaren, Christie. "Arkansas Highway History and Architecture, 1910–1965." Article.Archived June 2, 2011, at the Wayback Machine Page 13. Retrieved October 4, 2010.
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Arkansas State Highway Department (April 1, 1926). State of Arkansas Showing System of State Highways(TIF) (Map). 1:500,000. Little Rock: Arkansas State Highway Commission. Retrieved December 23, 2017 – via Arkansas GIS Office.
Arkansas State Highway Department (1927). State of Arkansas Showing System of State Highways(TIF) (Map). 1:500,000. Little Rock: Arkansas State Highway Commission. Retrieved December 23, 2017 – via Arkansas GIS Office.
Arkansas State Highway Department (1928). State of Arkansas Showing System of State Highways(TIF) (Map). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved December 23, 2017 – via Arkansas GIS Office.
Arkansas State Highway Commission (1935). Official Highway Service Map(TIF) (Map). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved September 4, 2019 – via Arkansas GIS Office.
Arkansas State Highway Commission (September 1, 1929). State of Arkansas Showing Types of Roads(TIF) (Map). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved June 6, 2019 – via Arkansas GIS Office.
Arkansas State Highway Commission (1937). Official Highway Service Map(TIF) (Map). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved April 26, 2020 – via Arkansas GIS Office.
Arkansas State Highway Commission (June 1, 1931). Official Highway Service Map(TIF) (Revised). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved May 2, 2020 – via Arkansas GIS Office.
Arkansas State Highway Commission (1938). Official Highway Service Map(TIF) (Map). Scale not given. Little Rock: Arkansas State Highway Commission. Retrieved December 23, 2017 – via Arkansas GIS Office.
Arkansas State Highway Commission (1945). Map of the State Highway System of Arkansas(TIFF) (Map). Little Rock: Arkansas State Highway Commission. Retrieved December 11, 2017.
Planning and Research Division (August 12, 2002). General Highway Map, Boone County, Arkansas(PDF) (Map). 1:62,500. Little Rock: Arkansas State Highway and Transportation Department. OCLC51071806. Retrieved November 21, 2021.
rd.com
"The Best, Worst, and Deadliest Roads in America: The Rankings." Reader's Digest. Article.Archived March 25, 2010, at the Wayback Machine. Retrieved October 4, 2010.
web.archive.org
McLaren, Christie. "Arkansas Highway History and Architecture, 1910–1965." Article.Archived June 2, 2011, at the Wayback Machine Page 13. Retrieved October 4, 2010.
"The Best, Worst, and Deadliest Roads in America: The Rankings." Reader's Digest. Article.Archived March 25, 2010, at the Wayback Machine. Retrieved October 4, 2010.
"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived July 7, 2011, at the Wayback Machine Retrieved April 3, 2011.
Planning and Research Division (August 12, 2002). General Highway Map, Boone County, Arkansas(PDF) (Map). 1:62,500. Little Rock: Arkansas State Highway and Transportation Department. OCLC51071806. Retrieved November 21, 2021.