^Donavan, Timothy P.; Gatewood, Willard B. Jr., eds. (1981). The Governors of Arkansas. Fayetteville: The University of Arkansas Press. p. 255. ISBN 0-938626-00-0.
^Gubernatorial Elections, 1787-1997. Washington, D.C.: Congressional Quarterly Inc. 1998. p. 41. ISBN 1-56802-396-0.
^Glashan, Roy R. (1979). American Governors and Gubernatorial Elections, 1775-1978. Westport, CT: Meckler Books. pp. 20–21. ISBN 0-930466-17-9.
^Kallenbach, Joseph E.; Kallenbach, Jessamine S., eds. (1977). American State Governors, 1776-1976. Vol. I. Dobbs Ferry, N.Y.: Oceana Publications, Inc. p. 60. ISBN 0-379-00665-0.