Acheson, Carole, and Carolyn Lidgard, eds. Return to Black Beech: Papers from a Centenary Symposium on Ngaio Marsh, 1895-1995, Christchurch, New Zealand, 1996. Christchurch, New Zealand: Centre for Continuing Education, University of Canterbury, 1996. Collection of ten papers on Marsh given at an academic conference celebrating her hundredth birthday. Bibliographic references
Acheson, Carole, and Carolyn Lidgard, eds. “Roderick Alleyn: Ngaio Marsh’s Oxonian Superintendent.” The Armchair Detective 11 (January, 1978): 63-71. Discussion of one of Marsh’s most famous characters, comparing him to other famous fictional detectives.
Boon, Kevin. Ngaio Marsh. Wellington, New Zealand: Kotuku, 1996. A native New Zealand study of Marsh’s life and work.
DuBose, Martha Hailey, with Margaret Caldwell Thomas. Women of Mystery: The Lives and Works of Notable Women Crime Novelists. New York: St. Martin’s Minotaur, 2000. Compares Marsh to five of her fellow female mystery novelists, examining her distinctive contribution to the genre.
Klein, Kathleen Gregory, ed. Great Women Mystery Writers: Classic to Contemporary. Westport, Conn.: Greenwood Press, 1994. Places Marsh within a coherent lineage of female mystery writers, emphasizing her relationship to those preceding and following her.
Lewis, Margaret. Ngaio Marsh: A Life. Scottsdale, Ariz.: Poisoned Pen Press, 1998. Reprint edition of one of the more successful Marsh biographies.
Rahn, B. J., ed. Ngaio Marsh: The Woman and Her Work. Metuchen, N.J.: Scarecrow Press, 1995. Collection of essays by Marsh scholars examining various aspects of her fiction and experience. Bibliographic references.
Weinkauf, Mary S., and Mary A. Burgess. Murder Most Poetic: The Mystery Novels of Ngaio Marsh. San Bernardino, Calif.: Brownstone Books, 1996. A study of Marsh as a stylist, emphasizing the artistry of her writing and its contribution to the overall effects of her mysteries.