You may be interested in being a Stage Manager. The professional union that represents actors and stage managers is ACTORS' EQUITY.
This link will display a list of library resources on stage management, including the books shown here.
Read a 2014 New York Times article about Ming Cho Lee, a famous set designer with a long career in the theater.
The library also carries many resources related to theatrical costuming and design.
The link below will display a list of stage lighting resources in the library.