"IBDB was created by the Research Department of The Broadway League, the national trade association for Broadway." This website lists shows produced on Broadway with information about each production.
This is the website of the Actors' Equity Association which is the "labor union that represents more than 48,000 Actors and Stage Managers in the United States."
Website of "one of the country’s most celebrated resident theaters and the winner of numerous awards — including the Tony Award, the Pulitzer Prize, and numerous local Elliot Norton and I.R.N.E. Awards." The A.R.T.'s home is in Cambridge, Massachusetts.
Website of the San Francisco-based theater company and actor training program. "Today A.C.T. is internationally recognized for its groundbreaking productions of classical works and bold explorations of contemporary playwriting..."