- Konigsburg, E.L.. From the Mixed-Up Files of Mrs. Basil E. Frankweiler. New York: Dell, 1967.
- Scholastic. "E.L. Konigsburg." Scholastic.com. March 25, 2018. <https://www.scholastic.com/teachers/authors/e--l--konigsburg/>.
- Vitello, Paul. "E.L. Konigsburg, Author, Is Dead at 83." The New York Times. April 22, 2013. March 25, 2018. <https://www.nytimes.com/2013/04/23/books/e-l-konigsburg-author-is-dead-at-83.html>.
- Gubar, Marah. "The Mixed-Up Kids of E.L. Konigsburg." Public...
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