- Brabazon, James. Dorothy L. Sayers: The Life of a Courageous Woman.
London: Gollancz. 1981.
- Coomes, David. Dorothy L. Sayers: A Careless Rage for Life. Batavia,
IL: Lion Publishing. 1982.
- Dale, Alzina Stone, et al. Dorothy L. Sayers: The Centenary Celebration.
New York: Walker and Company. 1993.
- Gaillard, Dawson. Dorothy L. Sayers. New York: Frederick Ungar Publishing
Co. 1981.
- Hitchman, Janet. Such a Strange Lady. New York: Avon Books. 1976.
- Hone, Ralph E. Dorothy L. Sayers: A Literary Biography. Ohio: Kent
State University Press. 1979.
- Reynolds, Barbara. Dorothy L. Sayers: Her Life and Soul. New York:
St. Martin's Griffin. 1993. (NOTE: This is the paperback information.)
- Scott-Giles, C.W. The Wimsey Family. New York: Harper and Row, Publishers. 1977.
Barbara Reynolds is also the editor of 4 volumes of Sayers's letters. I'll update the bibliographic information as I get it.
- Reynolds, Barbara, editor. The Letters of Dorothy L. Sayers: Volume I:
1899-1936: The Making of a Detective Novelist. New York: St. Martin's
Press. 1995.
- Reynolds, Barbara, Editor. The Letters of Dorothy L. Sayers: Volume II: 1937-1943: From Novelist to Playwright. New York: St. Martin's Press. 1997.