Columbia subject headings:
Hollywood (Los Angeles, Calif.)--History.
Motion picture authorship.
Motion picture industry--California--Los Angeles--History.
Screenwriters--California--Los Angeles.
Harvard subject headings:
Hollywood (Los Angeles, Calif.)--History.
Motion picture authorship--History.
Motion picture authorship.
Motion picture industry--California--Los Angeles--History
Screenwriters--California--Hollywood (Los Angeles)--History.
Screenwriters--California--Los Angeles.
Princeton subject headings: