The Arnold Lobel papers contain materials, both written and illustrative, related to Lobel's work as a creator of children's books.

The collection consists of typescripts, watercolor and pencil illustrations, correspondence, and other materials related to the creation of picture books and works illustrated and/or written by Betsy Lewin.

Ilse-Margret Vogel's papers focus on her work as an author and illustrator of children's books. The collection contains production material for children's books published between 1964 and 1984.

This collection contains graphic materials, research, and papers related to works illustrated and works written and illustrated by Lois Ehlert.

Louis Slobodkin's papers focus on his work as an author and illustrator of children's books. The collection contains production material for various titles published between 1943-1972, as well as some miscellaneous material and artwork.

Mary Marsh Buff and Conrad Buff''s papers focus on their work as authors and illustrators of children's books. The collection contains production material for books published between 1937 and 1966.

Collection contains typescript, galley proofs, and illustrations for two children's books created by Mircea Vasiliu.

Wanda Gág's papers focus on her work as an author and illustrator of children's books. The collection contains production material for published and unpublished titles, and personal correspondence and papers.

The Witold Mars papers contains artwork and other material related to children's books illustrated by Mars, as well as correspondence related to some titles, as well as designs for Christmas cards, advertising and commercial art, and other artistic endeavors.