"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived 2011-07-07 at the Wayback Machine Retrieved June 1, 2011.
General Highway Map(PDF) (Map) (Mississippi County ed.). Arkansas State Highway and Transportation Department. Retrieved June 1, 2011.
"Minutes of the Meeting"(PDF). Arkansas State Highway Commission. 1990–1999. p. 728. Archived from the original(PDF) on July 21, 2019. Retrieved December 2, 2016.
Bennett, Scott E. (November 14, 2014). "Administrative Circular No. 2014-17"(PDF). Arkansas State Highway and Transportation Department. Retrieved December 15, 2017.
web.archive.org
"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived 2011-07-07 at the Wayback Machine Retrieved June 1, 2011.
"Minutes of the Meeting"(PDF). Arkansas State Highway Commission. 1990–1999. p. 728. Archived from the original(PDF) on July 21, 2019. Retrieved December 2, 2016.