Consists of the papers of song-writer, playwright, and poet Clare Beecher Kummer. Included are manuscript plays, musical compositions, songs, verse, and correspondence.

Corliss Lamont was a humanist philosopher and socialist who served as a director of the American Civil Liberties Union (ACLU) from 1932 to 1954. The Corliss Lamont Papers document the breadth of Lamont's career as a humanist, civil libertarian, and philanthropist.

Consists of selected papers of Moses A. Lane, a nineteenth-century career serviceman in the U.S. Navy, serving most of his time as a gunner. Much of the material relates to a tour (1852-1855) in the Mediterranean aboard the sloop of war St. Louis.

The Reginald Lawrence Papers consists primarily of typescripts of plays Lawrence (Princeton Class of 1921) wrote for theater, film, and television, as well as short stories, poetry, outlines and notes for various projects, some letters, photographs, and newspaper clippings.

Charles A. Lindbergh and Anne Morrow Lindbergh were a famous twentieth-century aviation couple. The papers consist of manuscripts of Charles's A Letter to Americans and Anne's The Wave of the Future, A Confession of Faith, with related correspondence.

The Helen MacInnes Papers contain the original manuscripts of twenty-two published novels, miscellaneous articles and speeches, and a play of renown Scottish novelist Helen MacInnes.

Consists chiefly of letters by Alfred Thayer Mahan to his publisher regarding his writings about United States naval history. Mahan was a U.S. naval officer in the Civil War, and his work on the importance of adequate navies and merchant marines influenced the policies and philosophies of national leaders across the globe, including those of the 26th president of the United States, Theodore Roosevelt.

Consists of material by and about Philip Wylie collected by Arthur and Sylvia Mandy during the course of their friendship with the American writer.

Consists of letters and other material related to Sylvia Beach (1887-1962), the American proprietress of the Paris bookshop Shakespeare and Company, collected by Jackson Mathews (1907?-1978).

Consists of correspondence and manuscripts related to the anthology Democracy at the Crossroads (1932), arranged by Ellis Meredith, a suffragist and journalist from Colorado.

Helmut Meyer was a German-born American citizen who fought for the United States in World War II and founded the Helmut Meyer Literary Agency in New York City. The collection contains files from the Helmut Meyer Literary Agency, propaganda from both the Allies and the Axis from World War II, manuscripts of Meyer's own work, and correspondence from friends and clients.

Consists of research material of American educator and historian Harold Ruland relating to his study of Sebastian Munster (1489-1552) and the history of cosmography and early cartography.

Thomas Burnside Morris graduated from New York University in 1861 with a degree in civil engineering. He was a chief engineer of the Long Island Railroad, 1863; a division chief of the Panama Railroad, 1864-1865; a division chief of the Union Pacific Railroad, 1867-1869; and a division chief of the Northern Pacific Railroad, 1870-1874. He died in Oakland, California, on November 8, 1885. The collection consists primarily of material relating to Morris's role in the construction of the Union Pacific Railroad and the Northern Pacific Railroad.

The Felice and Mildred Morris Autograph Collection consists of letters from numerous 19th- and early 20th-century actors, actresses, playwrights, and others associated with the theater, collected by the Morrises. Included are James Matthew Barrie, Edwin Booth, Dion Boucicault, Frances Hodgson Burnett, Wilkie Collins, Charlotte Cushman, Clyde Fitch, Charles Dana Gibson, Laurence Hutton, Louis Napoleon Parker, Adelina Patti, William Seymour, Otis Skinner, and Kate Wiggin.

Consists of typescripts and related material for American author Lloyd R. Morris's Not So Long Ago (1949) and William James (1950).

The Works Progress Administration (WPA) was created by Executive Order on May 6, 1935. The goal of the Works Progress Administration (WPA) was to establish and maintain projects benefiting the public good in order to create work for citizens who were unemployed and on relief. The New Jersey Works Progress Administration Records document the history of the New Jersey Historical Records Survey, the Agricultural Administration Act, and the Indian Site Survey of New Jersey through forms, reports, photographs, and correspondence.

Consists of selected papers of English poet Derek Patmore.

D. Hugh Peniston graduated from Princeton University in 1941. This collection includes his course notes and coursework along with his letters home during his undergraduate years.

Consists of documents representing at least three generations of the Pierson family of Orange, New Jersey, including Isaac Pierson (1770-1833, Princeton Class of 1789), a physician, his son William (1796-1882, Princeton Class of 1816), a physician and first mayor of Orange, and William's sons Edward (d. 1882, Princeton Class of 1854), a lawyer, and William, Jr. (1830-1900), also a physician.