Columbia subject headings:
Carrero Blanco, Luis--Assassination.
ETA (Organization)
Spain--Politics and government--1939-1975.
Harvard subject headings:
Carrero Blanco, Luis--Assassination.
ETA (Organization)
Spain--Politics and government--1939-1975
Princeton subject headings:
Carrero Blanco, Luis--Assassination.
ETA (Organization)
Spain--Politics and government--1939-1975.