Columbia subject headings:
Crime--Mexico--History--20th century--Sources.
Crime--Mexico--Pictorial works.
Legal photography--Mexico--20th century.
Photojournalism--Mexico--20th century.
Harvard subject headings:
Crime--Mexico--History--20th century--Sources.
Crime--Mexico--Pictorial works.
Legal photography--Mexico--20th century.
Photojournalism--Mexico--20th century.
Princeton subject headings:
Crime--Mexico.--History--20th century--Sources.
Crime--Mexico.--Pictorial works.
Legal photography--Mexico--20th century.
Photojournalism--Mexico--20th century.