Fuller, Muriel, ed. More Junior Authors.

New York: H. W. Wilson, 1963. In an autobiographical sketch, Sorensen summarizes her career and early influences.

Kingman, Lee, ed. Newbery and Caldecott Medal Books, 1956-1965. Boston: Horn Book, 1965. Contains Sorensen's Newbery acceptance speech, which details influences on her writing and the background of Miracles on Maple Hill, as well as an overview of Sorensen's career by her friend Anna Marie Smith.

Kirkpatrick, D. L., ed. Twentieth-Century Children's Writers. New York: St.

Martin's, 1978. Contains a bibliography of Sorensen's books and a brief commentary on Miracleson Maple Hill.

Kunitz, Stanley J., and Vineta Colby, eds. Twentieth Century Authors: First Supplement: A Biographical Dictionary of Modem Literature. New York: H. W. Wilson, 1955. Sorensen's autobiographical sketch summarizes her life up to 1955.