- ^ Freeman, Mary E. Wilkins. "The Norton Anthology of American Literature". seventh ed. Vol. C. Ed. Nina Baym. New York: Norton & Company, 2007. Pg. 625-26.
- ^ This story was reprinted in the source following, which says it was copyrighted 1891 by Harper and Brothers. The Independent / Harper's Weekly, April 21, 1917, p. 172. PDFs of the story are available online at several sites.
- Glasser, Leah Blatt. In a Closet Hidden: The Life and Work of Mary E. Wilkins Freeman. Amherst: University of Mass. Press, 1996. 
- This article incorporates text from a publication now in the public domain: Gilman, D. C.; Thurston, H. T.; Moore, F., eds. (1905). "article name needed". New International Encyclopedia (1st ed.). New York: Dodd, Mead.