Reference books, such as The Theatregoers Almanac (Ref PN2266 .H53 1997), The Cambridge Guide to American Theatre (Ref PN2220 .C35 1993), and The New Penguin Dictionary of the Theatre (Ref PN 2035 .N49 2001) provide production dates, names of actors, and/or definitions of theatre terms. Please ask at the Reference Desk if you need assistance in finding theatre-related information.