Columbia subject headings:
American Conservatory Theater.
Repertory theater--California--San Francisco.
Theater--Study and teaching--California--San Francisco.
Harvard subject headings:
American Conservatory Theater.
Ball, William, 1931-
Ball, William, 1931-1991.
Ensemble theater.
Repertory theater--California--San Francisco.
Theater--Study and teaching--California--San Francisco.
Princeton subject headings:
American Conservatory Theater.
Repertory theater--California--San Francisco.
Theater--Study and teaching--California--San Francisco.