Evory, Ann, ed. Contemporary Authors, New Revision Series. Vol. 9. Detroit: Gale Research, 1983. Contains a biographical information on Henry and an overview of her writing.

Henry, Marguerite. "Acceptance Paper."

In Newbery Medal Books: 1922-1955, edited by Bertha M. Miller and Elinor W. Field. Boston: Horn Book, 1955.

Henry's acceptance paper for King of the Wind is interesting for her comments on how she wrote the book. This entry includes a brief plot summary, an excerpt from the novel, and a biographical note by Henry's sister, Gertrude B. Jupp.

Huck, Charlotte S. "Contemporary Realistic Fiction." In Children's Literature in the Elementary School. 3d ed.

New York: Holt, Rinehart, and Winston, 1979. This critical account compares Henry favorably to other writers of children's horse stories, notably Walter Farley, with comments upon Misty of Chincoteague, King of the Wind, and Mustang, Wild Spirit of the West Kirkpatrick, D. L., and Naomi...