Carol Billman. The Secret of the Stratemeyer Syndicate: Nancy Drew, the Hardy Boys, and the Million Dollar Fiction Factory. New York: Ungar Publishing Company, 1986.
Betsy Caprio. The Mystery of Nancy Drew: Girl Sleuth on the Couch. Trabuco Canyon, CA: Source Books, 1992.
Tony Carpentieri with Paul Mular. Hardy and Hardy Investigations. Rheem Valley, CA: SynSine, 1997.
Michael Cart. From Romance to Realism: Fifty Years of Growth and Change in Young Adult Literature. New York: HarperCollins, 1996.
Children's Literature Research Collections. Girls Series Books: A Checklist of Titles Published 1840-1991. Minneapolis: University of Minnesota Libraries, Children's Literature Research Collections, 1992.
Patricia Craig and Mary Cadogan. The Lady Investigates: Women Detectives & Spies in Fiction. New York: St. Martin's, 1981.
Robert L. Crawford. The Lost Hardys: A Concordance. Thomasville, GA: R.L. Crawford, 1993.
John T. Dizer. Tom Swift & Company: Boys' Books by Stratemeyer and Others. Jefferson, NC: McFarland, 1982.
—. Tom Swift, the Bobbsey Twins and Other Heroes of American Juvenile Literature. Studies in American Literature 25. Lewiston, NY: Edwin Mellan Press, 1997.
Stephen Dunning and Henry B. Maloney, comps. A Superboy Supergirl Anthology: Selected Chapters from the Earlier Works of Victor Appleton, Franklin W. Dixon, and Carolyn Keene. New York: Scholastic Book Services, 1971.
Carolyn Stewart Dyer and Nancy Tillman Romalov, eds. Rediscovering Nancy Drew. Iowa City: U of Iowa P, 1995.
David Farah. Farah's Guide. Sunland, CA: Farah's Books, 1994.
—. Farah's Price Guide to Nancy Drew Books and Collectibles. 7th ed. N.p.: n.p., 1990.
David Farah and Ilana Nash. Series Books and the Media; or, This Isn't All: An Annotated Bibliography of Secondary Sources. Rheem Valley, CA: SynSine, 1996.
Roger Garis. My Father Was Uncle Wiggily. New York: McGraw-Hill, 1966.
Marilyn Greenwald. The Secret of the Hardy Boys: Leslie McFarlane and the Stratemeyer Syndicate. Athens: University of Ohio Press, 2004.
Peggy Herz. Nancy Drew and the Hardy Boys. New York: Scholastic, 1977.
Deidre Johnson. Edward Stratemeyer and the Stratemeyer Syndicate. Twayne's United States Authors Series 627. New York: Twayne Publishers, 1993.
Deidre Johnson, comp. and ed. Stratemeyer Pseudonyms and Series Books: An Annotated Checklist of Stratemeyer and Stratemeyer Syndicate Publications. Westport, CT: Greenwood Press, 1982.
Carole Kismaric and Marvin Hieferman. The Mysterious Case of Nancy Drew and the Hardy Boys. New York: Fireside/Simon & Schuster, 1998.
Brenda Lange. Edward Stratemeyer, Creator of the Hardy Boys and Nancy Drew. Who Wrote That? Philadelphia: Chelsea House Publishers, 2004.
Bobbie Ann Mason. The Girl Sleuth: A Feminist Guide. Old Westbury, NY: The Feminist Press, 1975.
Leslie McFarlane. Ghost of the Hardy Boys: An Autobiography. Toronto: Methuen Publications, 1976.
Karen Plunkett-Powell. The Nancy Drew Scrapbook. New York: St. Martin's Press, 1993.
Arthur Prager. Rascals at Large; or, The Clue in the Old Nostalgia. Garden City, NY: Doubleday, 1971.
Melanie Rehak. Girl Sleuth: Nancy Drew and the Women Who Created Her. New York: Harcourt, 2005.
Nancy Tillman Romalov, ed. "Nancy Drew." Special issue of The Lion and the Unicorn 18.1 (1994). See individual entries on the scholarship page.
Mark Turner. Hardy Boys. TV and Movie Tie-Ins. Mankato, MN: Creative Education, 1979.