Information sets in quadratic-residue codes. - Donald W. Newhart (Discret. Math., 1982)

Inequivalent cyclic codes of prime length. - Donald W. Newhart (IEEE Trans. Inf. Theory, 1986)

On minimum weight codewords in QR codes. - Donald W. Newhart (J. Comb. Theory A, 1988)

Finding Short and Light Codewords in BCH Codes. - E. Hernquist; Donald W. Newhart; Richard A. Strong (IEEE Trans. Inf. Theory, 1999)

Swan's theorem for binary tetranomials. - Alfred W. Hales; Donald W. Newhart (Finite Fields Their Appl., 2006)