The collection consists of original material for eighteen titles written or illustrated by Bronson, including typescripts and holographs, and ink, pencil and crayon illustrations.

Collection contains advertisements and illustration proofs for one title illustrated by Clark.

The collection contains illustrative material by William Gropper.

Collection includes illustrative materials for one children's book illustrated by William Heyer.

The collection contains illustrative and written material for one children's book written by William Jay Smith.

The collection contains illustration proofs for two Robert Louis Stevenson books illustrated by William Sharp.

The collection includes a dummy for Roland the Minstrel Pig and original illustrations for CDB!, by William Steig

The collection contains illustrative material for two children's books illustrated by Stobbs.

The collection contains illustrations for one children's book illustrated by William Winter.

The collection contains illustrative materials for 36 titles, and includes illustrations in various media, some with separations, a photograph illustration, collage studies, jacket studies, layout studies, jacket proofs, scratchboard illustrations, and an original colored sketch.

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.

This collection consists of one oversize photographic print from the book Viva Frida by Yuyi Morales.

Zenas Potter's illustrative papers are for one children's book written by Miriam Clark Potter in 1960