"November 2003."; Includes bibliographical references (p. 25).; Final report;; Performed by University of North Carolina Highway Research Center for North Carolina Dept. of Transportation Research and Analysis Group
Vols. for 1924-Apr. 1943 published by the North Carolina Historical Commission; July 1943-spring 1972 by the State Dept. of Archives and History; summer 1972- by the Office of Archives and History; by the Division of Archives and History.