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.

The collection contains illustrative material for ten children's books illustrated by Fred Brenner.

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.

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.

Collection contains illustrative material for picture books illustrated by Meg Wohlberg.

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

Tomie dePaola's papers focus on his work as an author and illustrator of children's books. The collection contains production material for over 160 books written and/or illustrated by dePaola, including original artwork, drafts, proofs, and correspondence, and related materials.

Collection contains illustrations and production material for children's books and magazines illustrated by Tony Waters.

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 The collection contains production material for published and unpublished titles, and personal correspondence and papers.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.