

- Thousands of letters to artistic directors—many from playwrights, including Tennessee Williams and George Bernard Shaw—and scripts with director notations
- Original programs, artwork posters, stage drawings and costume sketches
- The complete records of the organization, including board minutes, subscriber ledgers, charitable gifts, and notes and correspondence detailing productions
- Photographs (including some negatives) of actors and artists such as Helen Hayes, Joel Grey, Margaret Hamilton and Paul Newman