These resources provide lists of Madeleine L’Engle’s works for both children and adults.

Riseborough, Don, ed. Books In Print (2003-04) Volume 7. New Providence, NJ: R.R.
Bowker LLC, 2003. SILS Library Reference [Z1215 .P972 2003/04 v.7]

This bibliography provides an alphabetical listing of all her works, including those for children and adults. There are also sections listing her collaborations with other authors and her writings on religion. An important feature is the title index. Each of her works has a title index page number reference in parentheses which enables the user to attain full bibliographic information on her various works.

Riseborough, Don, ed. Children’s Books In Print (2002) Volume 1. New Providence,
NJ: R.R. Bowker LLC, 2002. SILS Library Reference [Z1037 .A1 C482 2001
v.1]

This bibliography includes an alphabetical listing of every children’s book Madeleine L’Engle wrote. This work includes duplicate listings of the same book, though each is from a different publisher. Next to the citation is the name of the publisher, price of the book, appropriate age group, ISBN, year it was written, and the number of pages.

Lamar, Beverly, ed. Fiction, Folklore, Fantasy, and Poetry for Children (1876-1985).
New York: R.R. Bowker Company, 1986. SILS Library Reference [Z1037 .A2 C54 1986 v.1]