Columbia subject headings:
Assassination--Uruguay.
Fontana de Heber, Cecilia, -1978--Assassination.
Heber, Mario.
Lacalle Herrera, Luis Alberto.
Pereyra, Carlos Julio, 1922-
Harvard subject headings:
Fontana de Heber, Cecilia, -1978--Assassination.
Poisoning--Uruguay--Montevideo--Case studies.
Princeton subject headings: