Oxendine, Clifton. "A Social and Economic History of the Indians of Robeson County, North Carolina." Thesis. George Peabody College for Teachers, 1934.
Lost Colony theory of Lumbee origin
McPherson, O. M. Indians of North Carolina: Letter from the Secretary of the Interior, Transmitting, in Response to a Senate Resolution of June 30, 1914. Caption Title: Report on Condition and Tribal Rights of the Indians of Robeson and Adjoining Counties of North Carolina. US. 63rd Congress, 3rd Session. S. Doc. 677. Dated 5 Jan. 1915. Serial Set 6772. 252 p. Key source
Hunt, Cynthia L. “Looking back while walking forward (column): Federally commissioned reports.” Carolina Indian Voice 18 May 2000: 4.
Dannenberg, Clare J., and Walt Wolfram. “The roots of Lumbee language.” Revised draft. Unpublished report. Raleigh, NC: North Carolina Language and Life Project, North Carolina State U, August 1997. 38 pages. 40 references.
Montgomery, Michael, and Margaret Mishoe. “'He bes took up with a Yankee girl and moved up there to New York': the verb bes in the Carolinas and its history.” American Speech 74.3 (Fall, 1999): 240-281.