The collection contains production material for four juvenile titles by author Kirkpatrick Hill.

Contains production material for two children's books by Kristi Holl.

This collection consists of production material related to children's books by Kristine L. Franklin.

Kurt Werth's papers focus on his work as an author and illustrator of children's books with an emphasis on the latter. The collection contains production material for over two dozen titles published between 1953 and 1974.

This collection consists of manuscript materials related to eleven books written by Laura French.

The collection contains one box of materials related to the work of Laura Godwin, including editorial materials and work written by Godwin under the name Nola Buck.

The collection contains written production materials for four books written by Lee Kingman.

Lensey Namioka's papers focus on her work as an author of children's and young adult fiction. The collection contains production material titles published between 1989 and 2006.

The LeRoy Allen papers contain written production material from one book by Allen.

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 This collection includes many unpublished manuscripts, book reviews, royalty statements, agreements, correspondence, periodicals from the 1930s, and a few personal items such as a scrapbook and poster.

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.

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 The collection includes correspondence, dummy photocopy, production material, typescripts, reviews, and unpublished corrected typescript photocopy.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.

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.

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

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.

Lynn Hall papers contains production material for children's books written by Hall in the 1960s and 1970s.

The collection contains production material for children's books written by Mabel Leigh Hunt.