Columbia subject headings:
Black mask.
Detective and mystery films.
Horror films.
Screenwriters--United States.
Harvard subject headings:
Black mask.
Motion picture industry--California--Los Angeles--History
Motion pictures--United States--Plots, themes, etc.
Screenwriters--United States--Biography
Princeton subject headings:
Black mask.
Detective and mystery films--History and criticism.
Horror films--History and criticism.
Screenwriters--United States--Biography.