Columbia subject headings:
Assassination--Puerto Rico--History--20th century.
Cerro Maravilla (P.R.)
Puerto Rico--Politics and government--1952-1998.
Trials (Murder)--Puerto Rico.
Harvard subject headings:
Assassination--Puerto Rico--History--20th century.
Murder--Puerto Rico--History--20th century.
Puerto Rico--Politics and government--1952-
Trials (Murder)--Puerto Rico.
Princeton subject headings:
Assassination--Puerto Rico--History--20th century.
Puerto Rico--Politics and government--1952-1998.
Trials (Murder)--Puerto Rico.