The collection contains ninety-four drafts, fragments, and fully-conceived plays by Campbell (Princeton Class of 1916), as well as poems, essays, and an autobiography covering fifty years of his life as a devotee of the theater. In addition, the collection includes family correspondence as well as letters to friends and business associates, and scrapbooks, photographs, and memorabilia covering Campbell's earliest years as a boy in Montgomery, Alabama, through his years as a playwright and advertising executive in New York City. Among Campbell's correspondents are Andrew Turnbull and Nancy Milford, authors of Scott Fitzgerald and Zelda, respectively, regarding the Fitzgeralds, and there is a special section of memorabilia and printed matter dedicated to ANTA (American National Theatre and Academy), during the years, 1945-1970. In the series devoted to papers of others, there is a project devoted to Stark Young containing copies of letters written by Young to Sir Julian Huxley, Ellen Glasgow, Allen Tate, Maxwell Perkins, Charles Scribner, and other authors, editors, and theater people.