Columbia subject headings:
Industries--California--Hollywood (Los Angeles)
Motion picture industry--California--Los Angeles.
Motion pictures--Production and direction.
Harvard subject headings:
Hollywood (Los Angeles, Calif.)--Economic conditions.
Industries--California--Los Angeles.
Motion picture industry--California--Los Angeles
Motion pictures--Production and direction
Princeton subject headings:
Hollywood (Los Angeles, Calif.)--Economic conditions.
Motion picture industry--California--Los Angeles.
Motion pictures--Production and direction.