The CML has a collection of over 700 authoritative reference resources including encyclopedias, atlases, dictionaries, guides to books and stories for children, bibliographies, children's literature reviews and indexes. Biographical information on authors and illustrators of children's literature and reviews of their works can be found here in series titles such as Authors and Artists for Young Adults, Children's Literature Review. These books are shelved in the Reference section by call numbers using the Library of Congress classification system.