11号阿肯色州州道Planning and Research Division. Arkansas State Highway and Transportation Department . 2010 [December 24, 2011]. (原始内容存档 (PDF)于2020-05-08). General Highway Map
14号阿肯色州州道Planning and Research Division. Arkansas Road Log Database. Arkansas State Highway and Transportation Department . 2010 [June 9, 2011]. (原始内容 (Database)存档于2011-06-23)
比弗桥 (阿肯色州)Planning and Research Division. Arkansas Road Log Database. Arkansas State Highway and Transportation Department . 2012 [May 3, 2013]. (原始内容
林肯縣 (阿肯色州)Office. 1905: 187. Arkansas State Highway and Transportation Department in cooperation with the U.S. Department of Transportation . Arkansas County Polygons
139号阿肯色州州道System Information and Research Division. Arkansas Road Log Database (MDB). Arkansas State Highway and Transportation Department . 2014 [March 27, 2016]