Adcock, A. St. John. Gods of Modern Grub Street: Impressions of Contemporary Authors. New York: Frederick A. Stokes, 1923. Includes thirty-two portraits by E. O. Hoppé.
Bannister, Henry S. Donn Byrne: A Descriptive Bibliography, 1912-1935. New York: Garland, 1982. An overview of the available secondary sources. Also includes an informative foreword by Paul Mellon.
Macauley, Thurston. Donn Byrne: Bard of Armagh. New York: Century, 1929. A full-length biographical study.
Malone, Andrew E. Donn Byrne: An Irish Realist. London: Sampson, Low, Marston, 1929. Offers criticism and interpretation.