Columbia subject headings:
Mafia--Ukraine.
Omelʹchenko, G. E. (Grigoriĭ Emelʹi͡anovich), 1951-
Ukraine--Politics and government--1991-
Harvard subject headings:
Omelʹchenko, G. E. (Grigoriĭ Emelʹi͡anovich), 1951-
Organized crime--Ukraine.
Police--Ukraine--Biography.
Political corruption--Ukraine
Princeton subject headings:
Omelʹchenko, G. E. (Grigoriĭ Emelʹi︠a︡novich), 1951-
Organized crime--Ukraine.
Police--Ukraine--Biography.
Political corruption--Ukraine.