Columbia subject headings:
Ponce Massacre, Ponce, P.R., 1937--Drama.
Screenplays.
Harvard subject headings:
Ponce Massacre, Ponce, P.R., 1937--Drama.
Ponce Massacre, Ponce, P.R., 1937.
Puerto Rico--History--Masacre de Ponce, 1937.
Screenplays.
Princeton subject headings:
Drama.
Ponce Massacre, Ponce, P.R., 1937--Drama.
Screenplays.