Columbia subject headings:
Detective and mystery films--Catalogs.
Gangster films--Catalogs.
Police films--Catalogs.
Harvard subject headings:
Princeton subject headings:
Catalogs.
Detective and mystery films--Catalogs.
Detective and mystery films--History and criticism.
Gangster films--Catalogs.
Gangster films--History and criticism.
Police films--Catalogs.
Police films--History and criticism.