The Tough Winter (1954) is a splendid sequel to Rabbit Hill. It brings back the characters of the original work and expands its theme by showing the residents of the Hill facing the problems of a winter made more difficult by the absence of the "new folks."

For Further Research Burns, Mary Mehlman. "Robert Lawson." In Twentieth-Century Children's Writers, edited by D. L. Kirkpatrick. 2d ed. New York: St. Martin's, 1983. This article provides a bibliographical review of Lawson's work with some discussion of his books and illustrations.

Inman, Sue Lile. "Robert Lawson." In The Dictionary of Literary Biography, Vol. 22, edited by John Cech. Detroit: Gale, 1983. This is perhaps the most complete discussion of Robert Lawson's career and achievements.

Lawson, Robert. "Robert Lawson." In The Junior Book of Children's Authors, edited by Stanley J. Kunitz, and Howard Haycraft. 2d ed. New York: H. W. Wilson, 1951. This is a...