The Theatre Guild Archive consists of a variety of materials that document the history of the Theatre Guild from its earliest productions in 1919 through theatre and film projects in the 1980s and 1990s. Material includes correspondence and subject files relating to individuals, organizations, productions, and projects with which the company was involved; administrative and financial records; scripts and records of stage, radio, television, and film projects; scrapbooks, press books and clippings; costume, lighting and scenic designs and other art work; photographs of productions, events, and individuals; manuscript and printed music and related materials which document the creation, rehearsal, and performance of music composed and/or arranged for theatrical productions conceived of and produced by the Theatre Guild; production programs and publicity material from Theatre Guild and non-Theatre Guild productions; books, serials and other printed material published by the Theatre Guild as well as other publications acquired by Theatre Guild staff; posters and lobby cards; audiovisual materials; and records of projects with which the Theatre Guild and its administrators were affiliated including the Westport Country Playhouse, the Bureau of New Plays, the American Shakespeare Festival Theatre and Academy, the Theatre Guild American Repertory Company, and Theatre at Sea.