Daniel, John Warwick. The Law and Practice of Attachment, Under the Code of Virginia. Lynchburg, VA: Schaffter Bryant, 1869.
___. Life and Reminiscences of Jefferson Davis. Baltimore: R.H. Woodward Co., 1890.
___. A Treatise on the Law of Negotiable Instruments. 2 vols. New York: Baker, Voorhis Co., 1876.
Daniel, John Warwick, and Charles Alexander Douglass. The Elements of the Law of Negotiable Instruments. New York: Baker, Voorhis Co., 1903.
Doss, Richard B. John Warwick Daniel: A Study in the Virginia Democracy. Ph.D. dissertation, University of Virginia, 1955.
Moger, Allen W. Virginia: Bourbonism to Byrd, 1870-1925. Charlottesville: University Press of Virginia, 1968.
U.S. Congress. John Warwick Daniel (Late a Senator from Virginia). Memorial Addresses. 61st Cong., 3d sess., 1910-1911. Washington: Government Printing Office, 1911.
Vecellio, Sylvia Diane. John Warwick Daniel: Lame Lion of Lynchburg; Youth, Soldier, and Rising Politician, 1842-1885. Masters thesis, University of Virginia, 1950.