Actors' Equity Association ("AEA" or "Equity"), founded in 1913, is the labor union that represents more than 49,000 Actors and Stage Managers in the United States. Equity seeks to advance, promote and foster the art of live theatre as an essential component of our society. Equity negotiates wages and working conditions and provides a wide range of benefits, including health and pension plans, for its members.

The American Society for Theatre Research (ASTR) is a U.S.-based professional organization that fosters scholarship on worldwide theatre and performance, both historical and contemporary.

IBDB (Internet Broadway Database) archive is the official database for Broadway theatre information. IBDB provides records of productions from the beginnings of New York theatre until today.

Search and browse descriptions of more than 235 music, theater and dance resources by subject, title, or name.