Columbia subject headings:
Hungary--Politics and government--1945-1989.
Hungary. Államvédelmi Hatóság.
Harvard subject headings:
Hungary--Politics and government--1945-1989
Hungary--Politics and government--1989-
Hungary. Államvédelmi Hatóság
Princeton subject headings:
Hungary--Politics and government--1945-.
Hungary. Államvédelmi Hatóság