This collection contains manuscript material for one title written by Lesa Cline-Ransome.

The collection contains an illustrator's dummy for one picture book illustrated by Steven.

Collection contains typescripts, correspondence, and illustrative material for one picture book by Leslie Tryon.

Lewis S. Miner published several books from the 1940s to the 1960s including Mightier Than the Sword, Front Lines and Headlines: Story of Richard Harding Davis, and Pilot on the River. This collection includes many unpublished manuscripts, book reviews, royalty statements, agreements, correspondence, periodicals from the 1930s, and a few personal items such as a scrapbook and poster.

The Lilian Robertson Collection contains illustrative material for two children's books published in the late 1940s.

This collection consists of typescripts and material related to the creation of one children's book by Lillian Brady.

Collection includes typescripts and illustrations for children's books created by Lillian Hoban.

This collection consists of papers related to works written by Linda Crew.

Collection contains production materials for one title authored by Linda Keefe and three bound hand printed books.

This collection consists of manuscript materials related to publications written by Linda Sue Park between 1999 and 2013.

Collection contains typescripts and material for one children's book.

Lisa Desimini wrote My Beautiful Child, Policeman Lou and Policewoman Sue, and Trick or Treat, Smell My Feet! The collection includes correspondence, dummy photocopy, production material, typescripts, reviews, and unpublished corrected typescript photocopy.

Collection contains production material for children's books by Lisa Westberg Peters.

This collection consists of manuscript material related to children's books by Lisa Yee.

The collection contains written production material for three titles.

The collection contains art and production material for one children's book created by Goff.

The collection contains production material related to seven titles written by author Lois Duncan.

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

Lois F. Harvey's collection consists of papers and typescript for one children's book, Toyanuki's Rabbit.

Lois Lowry's papers focus on the genesis, process, revision and publication of her books for children and young adults.

The collection contains a typescript written by Lois Martin Brackett and two accompanying illustration created by Evelyn Raymond.

Lorenz Graham's collection contains papers related to his publications for children, as well as correspondence and other materials.

This collection contains finished illustrations for over 50 children's books illustrated by Lou Fancher and Steve Johnson.

The Louis Sachar Papers contain typescripts, correspondence, and page proofs related to the creation of nine published books by Sachar.

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.

The collection contains typescripts for two children's books written by Louise Bower and Ethel Tigue.

The collection contains typescripts related to one children's book written by Louise Fatio.

Collection contains a corrected typescript for one children's book by Louise Tanner.

The collection contains a corrected typescript and corrected galley proof each for two children's books by Louise Stinetorf.

The Lyla Hoffine Collection contains typescripts and production materials for children's books written by Hoffine, as well as some biographical material.